These files document Sellars's activity within various professional associations, committees, foundations, and societies. The files are arranged alphabetically by organization title. He was particularly involved with the American Philosophical Association and these files document his participation in several committees. Extensive files exist for the Federation Internationale Des Societes De Philosophie, which reveal Sellars's interest in the international philosophical community. This section also contains files related to Sellars's service on the editorial board of
The Monist. Mostly consisting of correspondence, these files document the process of developing the quarterly issues of the journal. The National Science Foundation files document Sellars's activity as a consultant to the History and Philosophy of Science division, as well as his own grant proposals.