Subject Browse for Historical Society of Western Pennsylvania Catalog

A

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  Other

You may choose a single category on this page by clicking on the hyperlink. If you wish to view multiple categories, click on the check boxes, go to the end of the page and click submit.

Jump to Search Submission

   AFRICAL AMERICAN COLLECTION   2 items
   AFRICAN AMERICAN COLLECTION   561 items
   AIDS (Disease) -- Patients -- Services for -- Pennsylvania -- Pittsburgh -- Periodicals.   4 items
   AIDS (Disease) -- Pennsylvania -- Pittsburgh -- Prevention -- Periodicals .   4 items
   AIDS (Disease) -- Pennsylvania -- Pittsburgh.   2 items
   AIDS (Disease) in art -- Exhibitions.   6 items
   ALCOA   2 items
   ALCOA COLLECTION   5 items
   ALUMINUM COLLECTION   89 items
   ARC Allegheny.   2 items
   AUSTRIAN AMERICAN COLLECTION   2 items
   Abnaki Indians   2 items
   Abolition -- Pennsylvania -- Pittsburgh.   2 items
   Abolitionists -- Pennsylvania -- Pittsburgh.   8 items
   Abolitionists -- Pennsylvania -- Washington.   2 items
   Abolitionists -- United States   1 item
   Abolitionists -- United States -- Biography.   7 items
   Abortion -- Moral and ethical aspects.   2 items
   Abortion -- Pennsylvania.   2 items
   Abrasives   2 items
   Abstracting   2 items
   Ac. 2003-0233   1 item
   Academic Medical Centers -- Pennsylvania -- Pittsburgh -- periodicals -- videocassett es   2 items
   Academic libraries   4 items
   Academic libraries -- Handbooks, manuals, etc.   2 items
   Academic libraries -- Pennsylvania -- Canonsburg.   2 items
   Academic libraries -- Pennsylvania -- Pittsburgh.   4 items
   Academies and Institutes -- Pennsylvania -- directories.   2 items
   Acadians -- Genealogy -- Sources -- Handbooks, manuals, etc.   2 items
   Achilles (Greek mythology) -- Poetry.   2 items
   Achor Church (Achor, Pa.)   2 items
   Acier -- Industrie et commerce -- Pennsylvanie. -- ram   2 items
   Acier -- Industrie et commerce -- Virginie occidentale. -- ram   2 items
   Acier -- Industrie et commerce. -- ram   2 items
   Acquisition of manuscripts   2 items
   Acronyms   4 items
   Acting   2 items
   Actinometer   2 items
   Actors   6 items
   Actors -- Correspondence.   4 items
   Actors -- Pennsylvania -- Pittsburgh.   8 items
   Adenoids   2 items
   Administrative agencies -- Pennsylvania.   2 items
   Administrative law -- United States -- Outlines, syllabi, etc.   2 items
   Admission to the bar -- United States.   2 items
   Adolescence   2 items
   Adult education   2 items
   Adult education -- Pennsylvania -- Directories.   2 items
   Adult education -- Pennsylvania -- Pittsburgh.   4 items
   Adult education -- United States.   2 items
   Adulthood -- Psychological aspects.   2 items
   Advertising   9 items
   Advertising -- Architects -- United States -- Exhibitions.   2 items
   Advertising -- Automobiles -- Pennsylvania -- Pittsburgh.   2 items
   Advertising -- Brewing industry   2 items
   Advertising -- Brewing industry -- Pennsylvania -- Pittsburgh.   4 items
   Advertising -- Confectionaries -- Pennsylvania -- Pittsburgh.   2 items
   Advertising -- Electric household appliances -- Pennsylvania -- Pittsburgh.   2 items
   Advertising -- Food -- Pennsylvania -- Pittsburgh.   10 items
   Advertising -- Jewelry.   1 item
   Advertising -- Pennsylvania -- Pittsburgh.   2 items
   Advertising -- Research.   2 items
   Advertising -- Television programs -- Pennsylvania -- Pittsburgh.   2 items
   Advertising -- United States -- History.   4 items
   Advertising agencies -- Pennsylvania -- Pittsburgh -- History.   2 items
   Advertising agencies -- Pennsylvania -- Pittsburgh.   2 items
   Advertising agencies -- United States -- History.   1 item
   Advertising cards -- Pennsylvania -- Pittsburgh.   16 items
   Advertising layout and typography   6 items
   Advertising, Outdoor -- Pennsylvania -- Pittsburgh.   7 items
   Advertising, Political -- Pennsylvania -- Pittsburgh.   2 items
   Aerial photography   2 items
   Aerial photography -- Pennsylvania -- Sewickley.   2 items
   Aerial photography in archaeology   2 items
   Aeronautical museums -- Pennsylvania -- Beaver Falls.   2 items
   Aeronautical museums -- Pennsylvania -- Pittsburgh.   2 items
   Aeronautics   4 items
   Aeronautics -- Flights   2 items
   Aeronautics -- History   9 items
   Aeronautics -- Illinois -- Chicago Metropolitan Area.   2 items
   Aeronautics -- Illinois.   2 items
   Aeronautics -- Law and legislation   2 items
   Aeronautics -- Law and legislation -- United States.   2 items
   Aeronautics -- Pennsylvania -- Allegheny County.   2 items
   Aeronautics -- Pennsylvania -- History.   6 items
   Aeronautics -- Pennsylvania -- Pittsburgh -- Photographs.   2 items
   Aeronautics -- Pennsylvania -- Pittsburgh -- Study and teaching.   2 items
   Aeronautics -- Pennsylvania -- Pittsburgh Metropolitan Area -- History.   2 items
   Aeronautics -- Pennsylvania -- Pittsburgh.   6 items
   Aeronautics -- Pennsylvania.   6 items
   Aeronautics -- Societies, etc.   2 items
   Aeronautics -- Statistics.   2 items
   Aeronautics -- United States   2 items
   Aeronautics -- United States -- Periodicals.   2 items
   Aeronautics -- United States -- Study and teaching.   2 items
   Aeronautics, Commercial   2 items
   Aeronautics, Commercial -- United States -- Biography.   2 items
   Aeronautics, Commercial -- United States -- Government policy.   2 items
   Aeronautics, Military -- United States   2 items
   Aerospace industries -- Pennsylvania -- Directories.   1 item
   Aerospace industries -- Periodicals.   2 items
   Aerospace industries -- United States.   2 items
   African American baseball players   1 item
   African American business enterprises -- Pennsylvania -- Pittsburgh.   1 item
   African American librarians -- Southern States -- Congresses.   1 item
   African American librarians.   1 item
   African American photographers -- History -- 19th century.   1 item
   African American photographers -- History -- 20th century.   1 item
   African American sailors -- History -- Bibliography.   2 items
   African American sailors -- History -- Chronology.   2 items
   African American sculpture.   2 items
   African American soldiers   1 item
   African American soldiers -- History. -- Bibliography.   2 items
   African American soldiers -- History. -- Chronology.   2 items
   African American women   2 items
   African American women -- Biography.   2 items
   African Americans   1 item
   African Americans -- Civil rights -- Pennsylvania -- York -- History.   2 items
   African Americans -- Fiction.   2 items
   African Americans -- Genealogy -- Handbooks, manuals, etc.   2 items
   African Americans -- History -- Miscellanea -- Juvenile literature.   2 items
   African Americans -- History -- Pennsylvania -- Congresses.   2 items
   African Americans -- History -- Sources.   2 items
   African Americans -- Pennsylvania -- Edgeworth -- History.   2 items
   African Americans -- Pennsylvania -- Guidebooks.   2 items
   African Americans -- Pennsylvania -- History -- 19th century.   2 items
   African Americans -- Pennsylvania -- History -- Sources -- Bibliography -- Cat alogs.   2 items
   African Americans -- Pennsylvania -- History.   2 items
   African Americans -- Pennsylvania -- Pittsburgh -- Economic conditions.   2 items
   African Americans -- Pennsylvania -- Pittsburgh -- Social conditions.   2 items
   African Americans -- Pennsylvania -- Pittsburgh.   4 items
   African Americans -- Pennsylvania -- Pittsburgh. -- Portraits.   1 item
   African Americans -- Pennsylvania -- Sewickley -- History.   2 items
   African Americans -- Pennsylvania -- Waynesburg -- History.   2 items
   African Americans in art.   3 items
   African Methodist Episcopal Church -- Pennsylvania -- Monongahela.   1 item
   African Methodist Episcopal Church -- Pennsylvania -- Pittsburgh.   4 items
   Afro Americans -- Pennsylvania -- Whitsett.   2 items
   Afro-American Baptists   2 items
   Afro-American Baptists -- Pennsylvania -- Pittsburgh.   4 items
   Afro-American Mathodists -- History.   2 items
   Afro-American Methodists -- Biography.   2 items
   Afro-American Methodists -- Encyclopedias.   2 items
   Afro-American Pentecostals -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American Presbyterians   2 items
   Afro-American agriculturists -- Biography.   2 items
   Afro-American arts -- Periodicals.   2 items
   Afro-American athletes -- Pennsylvania -- Pittsburgh -- History.   2 items
   Afro-American athletes -- United States -- Biography.   2 items
   Afro-American baseball players   4 items
   Afro-American baseball players -- Biography.   2 items
   Afro-American baseball players -- Pennsylvania -- Pittsburgh -- History.   2 items
   Afro-American baseball players -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American baseball players -- Pictorial works.   2 items
   Afro-American boys -- Mississippi -- Fiction.   2 items
   Afro-American business enterprises -- Pennsylvania -- Pittsburgh.   6 items
   Afro-American children -- Pennsylvania -- Pittsburgh -- Biography -- Juvenile literature.   2 items
   Afro-American coal miners -- Pennsylvania.   2 items
   Afro-American cookery.   2 items
   Afro-American cooks -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American criminals -- Biography.   2 items
   Afro-American criminals -- Pennsylvania -- Pittsburgh -- Fiction.   2 items
   Afro-American engineers -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American executives.   2 items
   Afro-American families -- History.   2 items
   Afro-American inventors   2 items
   Afro-American iron and steel workers -- Pennsylvania -- History.   2 items
   Afro-American iron and steel workers -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American judges -- Pennsylvania -- Allegheny County.   2 items
   Afro-American musicians -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American painters -- Biography.   2 items
   Afro-American physicians -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American soldiers -- 1867.   2 items
   Afro-American soldiers -- History.   2 items
   Afro-American soldiers -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American soldiers -- Personal narratives.   2 items
   Afro-American steelworkers.   2 items
   Afro-American universities and colleges -- Pennsyvlania -- Lincoln University.   2 items
   Afro-American women -- Employment -- History.   2 items
   Afro-American women -- Encyclopedias.   2 items
   Afro-American women -- History.   2 items
   Afro-American women -- Pennsylvania -- Pittsburgh.   2 items
   Afro-American women executives -- Biography.   2 items
   Afro-American women poets.   2 items
   Afro-American youth -- Pennsylvania -- Allegheny County -- Conduct of life.   4 items
   Afro-American youth -- Pennsylvania -- Allegheny County -- Social conditions.   4 items
   Afro-American youth -- Pennsylvania -- Allegheny County -- Social life and customs.   4 items
   Afro-American youth -- Pennsylvania -- Allegheny County.   4 items
   Afro-American youth -- Pennsylvania -- Pittsburgh -- Conduct of life.   4 items
   Afro-American youth -- Pennsylvania -- Pittsburgh -- Social conditions.   4 items
   Afro-American youth -- Pennsylvania -- Pittsburgh -- Social life and customs.   4 items
   Afro-American youth -- Pennsylvania -- Pittsburgh.   4 items
   Afro-Americans   14 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- Pictorial works.   2 items
   Afro-Americans -- Bibliography.   4 items
   Afro-Americans -- Biography -- Anecdotes.   2 items
   Afro-Americans -- Biography -- Juvenile literature.   2 items
   Afro-Americans -- Biography.   20 items
   Afro-Americans -- Charities   2 items
   Afro-Americans -- Civil rights -- Georgia -- Atlanta.   2 items
   Afro-Americans -- Civil rights -- Pennsylvania -- Pittsburgh -- Pictorial works.   2 items
   Afro-Americans -- Civil rights -- Southern States.   2 items
   Afro-Americans -- Civil rights.   2 items
   Afro-Americans -- Colonization   4 items
   Afro-Americans -- Colonization -- Africa   10 items
   Afro-Americans -- Colonization -- Africa -- Periodicals.   2 items
   Afro-Americans -- Diseases -- Bibliography.   2 items
   Afro-Americans -- Diseases.   2 items
   Afro-Americans -- Economic conditions   6 items
   Afro-Americans -- Economic conditions -- Congresses   2 items
   Afro-Americans -- Economic conditions -- Pennsylvania -- Pittsburgh.   2 items
   Afro-Americans -- Economic conditions -- Sources -- Bibliography -- Catalogs.   2 items
   Afro-Americans -- Economic conditions -- Statistics.   2 items
   Afro-Americans -- Education   4 items
   Afro-Americans -- Education -- Georgia -- Liberty County -- History -- 19th century -- Periodicals.   2 items
   Afro-Americans -- Education -- Pennsylvania -- Pittsburgh -- Photo graphs.   2 items
   Afro-Americans -- Education -- Pennsylvania -- Pittsburgh.   14 items
   Afro-Americans -- Employment -- Pennsylvania -- History.   2 items
   Afro-Americans -- Employment -- Pennsylvania -- Pittsburgh.   8 items
   Afro-Americans -- Employment -- Sources -- Bibliography -- Catalog s.   2 items
   Afro-Americans -- Ethnic identity.   2 items
   Afro-Americans -- Fiction.   2 items
   Afro-Americans -- Genealogy -- Handbooks, manuals, etc.   4 items
   Afro-Americans -- Genealogy.   4 items
   Afro-Americans -- Georgia -- Liberty County -- Religion -- History -- 19th century -- Periodicals.   2 items
   Afro-Americans -- Health and hygiene   6 items
   Afro-Americans -- Health and hygiene -- Miscellanea.   2 items
   Afro-Americans -- Health and hygiene -- Pennsylvania -- Pittsburgh.   2 items
   Afro-Americans -- Health and hygiene -- United States -- Statistics.   2 items
   Afro-Americans -- Health and hygiene -- United States.   2 items
   Afro-Americans -- History   16 items
   Afro-Americans -- History -- 1964- -- Pennsylvania -- Pittsburgh.   2 items
   Afro-Americans -- History -- 20th century -- Drama.   2 items
   Afro-Americans -- History -- Bibliography.   2 items
   Afro-Americans -- History -- Chronology.   6 items
   Afro-Americans -- History -- Historiography.   2 items
   Afro-Americans -- History -- Pennsylvania.   2 items
   Afro-Americans -- History -- Sources -- Bibliography -- Catalogs.   4 items
   Afro-Americans -- History -- Sources -- Bibliography -- Microform catalogs.   2 items
   Afro-Americans -- History -- Sources.   2 items
   Afro-Americans -- History -- To 1863   4 items
   Afro-Americans -- History -- To 1863 -- Exhibitions.   2 items
   Afro-Americans -- Housing   2 items
   Afro-Americans -- Housing -- Pennsylvania -- Pittsburgh.   6 items
   Afro-Americans -- Iowa.   2 items
   Afro-Americans -- Juvenile literature.   4 items
   Afro-Americans -- Kentucky.   2 items
   Afro-Americans -- Legal status, laws, etc.   2 items
   Afro-Americans -- Life skills guides -- Miscellanea.   2 items
   Afro-Americans -- Medical care -- Pennsylvania -- Pittsburgh.   2 items
   Afro-Americans -- Medical care.   2 items
   Afro-Americans -- Missions -- Georgia -- Liberty County -- History -- 19th century -- Periodicals.   2 items
   Afro-Americans -- Mississippi.   2 items
   Afro-Americans -- Moral and social conditions.   2 items
   Afro-Americans -- Museums -- Finance.   2 items
   Afro-Americans -- Museums.   2 items
   Afro-Americans -- Music   2 items
   Afro-Americans -- New York (State)   2 items
   Afro-Americans -- Ohio -- Guernsey County -- History.   2 items
   Afro-Americans -- Ohio -- History -- Congresses.   2 items
   Afro-Americans -- Pennsylvania -- Allegheny County.   12 items
   Afro-Americans -- Pennsylvania -- Biography.   2 items
   Afro-Americans -- Pennsylvania -- Erie -- Biography.   2 items
   Afro-Americans -- Pennsylvania -- Fayette County -- Genealogy.   2 items
   Afro-Americans -- Pennsylvania -- History -- Congresses.   2 items
   Afro-Americans -- Pennsylvania -- History -- Sources -- Bibliograp hy -- Catalogs.   2 items
   Afro-Americans -- Pennsylvania -- History.   8 items
   Afro-Americans -- Pennsylvania -- Indiana County.   2 items
   Afro-Americans -- Pennsylvania -- McKeesport.   2 items
   Afro-Americans -- Pennsylvania -- Periodicals.   2 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- Biography.   2 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- Directories.   2 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- Economic conditions.   10 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- Fiction.   2 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- History -- 20th century.   2 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- History -- Study and teaching.   2 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- History.   8 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- Periodicals.   2 items
   Afro-Americans -- Pennsylvania -- Pittsburgh -- Social conditions.   6 items
   Afro-Americans -- Pennsylvania -- Pittsburgh.   42 items
   Afro-Americans -- Pennsylvania -- Recreation.   2 items
   Afro-Americans -- Pennsylvania -- Societies, etc.   2 items
   Afro-Americans -- Pennsylvania -- Washington County -- Genealogy.   2 items
   Afro-Americans -- Pennsylvania -- Washington County.   2 items
   Afro-Americans -- Pennsylvania.   18 items
   Afro-Americans -- Periodicals.   8 items
   Afro-Americans -- Portraits -- Exhibitions.   2 items
   Afro-Americans -- Psychology.   2 items
   Afro-Americans -- Recreation   2 items
   Afro-Americans -- Relations with Jews   2 items
   Afro-Americans -- Religious life -- Anecdotes.   2 items
   Afro-Americans -- Segregation   2 items
   Afro-Americans -- Segregation -- Pennsylvania -- Pittsburgh.   2 items
   Afro-Americans -- Social conditions   4 items
   Afro-Americans -- Social conditions -- 1975-   4 items
   Afro-Americans -- Social conditions -- Pennsylvania -- Periodicals.   2 items
   Afro-Americans -- Social conditions -- Statistics.   2 items
   Afro-Americans -- Social conditions -- To 1964   4 items
   Afro-Americans -- Social life and customs   2 items
   Afro-Americans -- Societies, etc.   2 items
   Afro-Americans -- Songs and music   2 items
   Afro-Americans -- South Carolina   2 items
   Afro-Americans -- Southern States -- Fiction.   2 items
   Afro-Americans -- Southern States -- Interviews.   2 items
   Afro-Americans -- Southern States -- Social conditions -- Exhibitions.   2 items
   Afro-Americans -- Statistics -- Periodicals.   2 items
   Afro-Americans -- Statistics, Vital -- Pennsylvania -- Pittsburgh.   2 items
   Afro-Americans -- Study and teaching -- Bibliography.   2 items
   Afro-Americans -- Study and teaching -- Outlines, syllabi, etc.   2 items
   Afro-Americans -- Suffrage   2 items
   Afro-Americans -- United States -- Societies, etc. -- Directories.   2 items
   Afro-Americans -- Virginia -- Northampton County -- Genealogy.   2 items
   Afro-Americans -- Virginia.   2 items
   Afro-Americans -- Women -- Pennsylvania -- Pittsburgh.   2 items
   Afro-Americans in aeronautics -- United States.   2 items
   Afro-Americans in business -- Pennsylvania.   2 items
   Afro-Americans in medicine.   2 items
   Aged   2 items
   Aged -- Hospital care -- Pennsylvania -- Pittsburgh -- Periodicals.   4 items
   Aged -- Institutional care -- Pennsylvania -- Wilkinsburg.   9 items
   Aged -- Pennsylvania -- Allegheny County.   2 items
   Aged -- Pennsylvania -- Handbooks, manuals, etc.   2 items
   Aged -- Pennsylvania -- Pittsburgh.   2 items
   Aged -- Services for -- Pennsylvania -- Allegheny County.   2 items
   Aged -- Services for -- Pennsylvania -- Periodicals.   2 items
   Aged -- Societies and clubs   2 items
   Aged -- Suffrage -- United States.   2 items
   Aging -- Institutional care -- Pennsylvania -- Pittsburgh.   2 items
   Aging -- Juvenile literature -- Bibliography.   2 items
   Agricultural chemicals industry -- United States.   2 items
   Agricultural colonies -- Bibliography.   2 items
   Agricultural exhibitions   2 items
   Agricultural exhibitions -- Pennsylvania -- Allegheny County.   2 items
   Agricultural exhibitions -- Pennsylvania -- Pittsburgh.   2 items
   Agricultural implements -- England -- History.   1 item
   Agricultural laws and legislation -- Pennsylvania.   2 items
   Agricultural machinery   4 items
   Agricultural machinery -- Catalogs.   2 items
   Agricultural machinery industry -- United States.   2 items
   Agricultural mapping -- United States -- History.   2 items
   Agricultural museums   2 items
   Agricultural museums -- Canada -- Directories.   2 items
   Agricultural museums -- Minnesota -- Directories.   2 items
   Agricultural museums -- Pennsylvania.   2 items
   Agricultural museums -- Periodicals.   2 items
   Agricultural museums -- United States -- Congresses.   2 items
   Agricultural museums -- United States -- Directories.   2 items
   Agriculture   5 items
   Agriculture -- Accounting.   2 items
   Agriculture -- Canada.   2 items
   Agriculture -- Ecomonic aspects -- Pennsylvania -- Pittsburgh.   2 items
   Agriculture -- Economic aspects   2 items
   Agriculture -- Economic aspects -- Ohio -- History.   2 items
   Agriculture -- Economic aspects -- Pennsylvania.   2 items
   Agriculture -- Economic aspects -- United States.   2 items
   Agriculture -- England -- History.   1 item
   Agriculture -- Great Britain -- History.   2 items
   Agriculture -- Handbooks, manuals, etc.   2 items
   Agriculture -- History -- Periodicals.   4 items
   Agriculture -- Juvenile literature.   2 items
   Agriculture -- Mushrooms.   2 items
   Agriculture -- New York (State) -- History.   2 items
   Agriculture -- Ohio.   2 items
   Agriculture -- Pennsylvania -- Allegheny County.   4 items
   Agriculture -- Pennsylvania -- Beaver County.   2 items
   Agriculture -- Pennsylvania -- Butler County.   2 items
   Agriculture -- Pennsylvania -- Fayette County.   2 items
   Agriculture -- Pennsylvania -- Franklin (Venango County)   2 items
   Agriculture -- Pennsylvania -- Franklin.   2 items
   Agriculture -- Pennsylvania -- History.   2 items
   Agriculture -- Pennsylvania -- Indiana County.   2 items
   Agriculture -- Pennsylvania -- Monroeville.   2 items
   Agriculture -- Pennsylvania -- Periodicals.   6 items
   Agriculture -- Pennsylvania -- Pittsburgh.   2 items
   Agriculture -- Pennsylvania -- York County.   2 items
   Agriculture -- Pennsylvania.   8 items
   Agriculture -- Periodicals.   20 items
   Agriculture -- Southern States.   2 items
   Agriculture -- Statistics -- Pennsylvania -- Pittsburgh.   2 items
   Agriculture -- United States   10 items
   Agriculture -- United States -- History -- Sources -- Bibliography -- Catalogs.   2 items
   Agriculture -- United States -- History.   2 items
   Agriculture -- United States -- Maps -- History.   2 items
   Agriculture -- United States -- Periodicals.   4 items
   Agriculture -- Wisconsin -- History -- Exhibitions.   2 items
   Agriculture and state -- United States   2 items
   Agriculturists -- United States -- Biography.   2 items
   Agudeth Achim Sisterhood.   2 items
   Air -- Pollution -- Pennsylvania -- Pittsburgh.   2 items
   Air -- Pollution   8 items
   Air -- Pollution -- Pennsylvania -- Case studies.   2 items
   Air -- Pollution -- Pennsylvania -- Periodicals.   2 items
   Air -- Pollution -- Physiological effect   2 items
   Air -- Pollution -- United States -- History.   2 items
   Air -- Pollution -- United States.   2 items
   Air conditioning -- Equipment and supplies -- Catalogs.   2 items
   Air defenses   2 items
   Air defenses -- Pennsylvania -- Pittsburgh.   2 items
   Air disasters -- Pennsylvania -- Pittsburgh.   2 items
   Air guns.   2 items
   Air mail service -- Pennsylvania -- Allegheny County.   2 items
   Air mail service -- Pennsylvania -- Pittsburgh.   4 items
   Air mail service -- Pennsylvania.   2 items
   Air mail service -- United States.   2 items