Consists of selected material by and about the Irish poet and dramatist William Butler Yeats, including correspondence, a poetry manuscript, photographs, family items, and Cuala Press ephemera.

Contains selected correspondence of American pioneer and religious leader Brigham Young. Images of this collection are also available online at Digital PUL.

Consists of individual academic files of former undergraduate students of Princeton University, containing grades, transcripts, and other information relating to the subject's academic career. To search for a student by name, please use the finding aids listed as "Other Finding Aids" under "Access and Use." The finding aids are divided by decade, beginning with 1921.

Consists of quarterly status reports and technical reports created by the Plastics Laboratory at Princeton University from 1946 to 1954. The Laboratory which was established in 1946 conducted basic research involving problems of a fundamental nature as well as towards the development of plastics and materials with specific properties.

The papers of David Aiken Reed (1880-1953) consist primarily of clippings illustrating the political career of Pennsylvania Senator Reed (Class of 1900) during the years 1914-1940 with a few photographs of World War I campaigns, correspondence from President Herbert Hoover, the publisher Henry Luce and General John J. Pershing, Head of the American Expeditionary Forces of World War I, two letters of commendation, a testimonial, three army documents, and printed copies of a few speeches by Senator Reed.

The Emir Rodriguez Monegal Papers consists of correspondence, manuscripts of novels, short stories, verse, plays, and essays by others, mansucripts of essays and criticism by Rodriguez Monegal, photographs, and printed and recorded material.

Consists of personal, professional, and academic papers of the Pueblo anthropologist Alfonso Ortiz (1939-1997), including correspondence, working files, and materials related to the Association on American Indian Affairs (AAIA).

Consists of correspondence between Charles Shipman and various artists and institutions, most notably George deForest Brush and Elliott Dangerfield.

Consists of papers primarily related to Eileen Simpson's book, Poets in their Youth: A Memoir, about her married years with poet John Berryman.

The L. Ashton Sly Collection of Musical Scores is a 137 volume collection of vocal scores and/or libretti for one hundred twenty-three musical comedies, comic operas, and operettas, including twenty-eight full production promptbooks. These are arranged alphabetically by title and housed in 8 record center cartons.