Contains volumes 12-15 of the Bulletin of the New York Academy of Sciences and Affiliated Societies. Some volumes have several issues. There are 12 bulletins in total, listing programs and schedules for NYAS meetings, all of which are held at AMNH.

Four sets of mimeographed pamphlet reports to the management board of the AMNH. They include: The Museum and Conservation (November 30, 1950), The Museum and Natural Resources (November 2, 1950), Report on Preliminary Survey of Personnel Matters for Cultural Institutions of New York City, submitted by Joseph Schechter (September 5, 6, 7, 8 and 14, 1950), Report on the Exhibition Program by A.E. Parr (January 9, 1956).