Diverse notes and memoranda slips, including reading notes, library request slips, bibliographic excerpts and memoranda, and memoranda books. Extensive notes on history, philosophy and theology, especially the works of Gottfried Wilhelm von Leibniz (primary and secondary sources). Largely in Gabelsberger shorthand.

The Photographs and Audio-Visual Series consists of photographs, microfilm, and sound recordings gathered by the editorial staff of the Papers of Woodrow Wilson. The photographs provide a visual complement to the papers gathered in this collection, and many were published throughout the 69 volumes of Wilson papers. The microfilm consists of reels ordered from repositories throughout the country and around the world, containing correspondence to and from Wilson, as well as reports from his administration, diaries, newspapers, and papers of individuals related to Wilson. The audio contains recordings of radio programs and seminars on the topic of Wilson, as well as some of his speeches.

The Russell papers contain drafts and carbon copies of some 13,000 letters which Russell wrote over the years 1908 - 1950 (approx.). These letters are arranged alphabetically by correspondent and then chronologically for each correspondent. Correspondents include not only individuals, but businesses, scientific societies, schools and divisions of Princeton University. Letters to individuals filed under corporate entries may be located by consulting the file of white cards in the manuscripts catalogue. For example, looking in the cross-reference file under the name of R.A. Gregory, one finds a card which reads as follows:

Series 8: March 2006 Addition (1993-2005) contains materials related to AAIA sacred lands protection, repatriation, the Medicine Wheel Coalition, and scholarships, as well as association administrative business such as insurance and audit materials.