Series 19: Class of 1942, Class President's Files includes files on the members of the Class of 1942 which were created and maintained by the class president. It appears that these files were supplemented by the Bureau of Alumni Records with database printouts and other information. The records also include files on reunions, scholarships, executive committee meetings, class meetings, class newsletters and related topics.

This series includes a variety of records that document the class years 1941 to 1950.

This series includes a variety of records that document the class years 1951 to 2011.

Series 18: Unidentified and Multiple Classes contains materials for which the originating Princeton class has not been identified or that represent multiple classes.

This series consists of class directories. The directories generally contain a listing of class members and their addresses. Some directories contain additional information such as birthdate, email address, and business address. Class directories may also be found in this collection in the series associated with each individual class.

These records represent a broad range of the ACLU's activities in the twentieth century.

These records represent a broad range of the ACLU's activities in the late twentieth century.

These records represent a broad range of the ACLU's activities in the late twentieth and early twenty-first century. In particular, this series documents the ACLU's Immigrants' Rights Project; Lesbian, Gay, Bisexual, Transgender and AIDS Project; National Prison Project; Racial Justice Program; Reproductive Freedom Project; and Women's Rights Project. To a lesser extent, this series includes ACLU publications and administrative records from the offices of the Executive Director and Director of Communications.