This series includes a variety of different publications, including books, workbooks, journals, and some magazines, dated from 1985-2014. The books include those published by the Drucker Foundation and Leader to Leader Institute and are featured in a variety of languages. They are organized chronologically by publication date, though if numerous versions of the same copy existed, these copies were placed together. The series also contains information from various management seminars. Some are products of the Drucker Foundation, while others are from outside nonprofit organizations with which the Drucker Foundation worked. The outside publications provide a sample of the various organizations with which the Drucker Foundation and its later iterations interacted. Many of the documents deal with the Drucker Foundation's Self-Assessment Tool. This series also contains information on the publication of some of these items, specifically those dealing with the Drucker Foundation and later the Leader to Leader Institute.