The collection consists of Joffe's correspondence, manuscripts/notes, and newspaper clippings. Joffe's correspondence in Yiddish in English is both personal and professional, covering communication with institutions he was working at or hoping to work at. Joffe's manuscripts contain drafts for lectures and notes on university seminars and lectures he attended under Prof. Roman Jakobson and others. Joffe's newspaper clippings contain a selection of clippings relating to Prof. Peck, his undergraduate advisor, and miscellaneous clippings.

This collection documents the musical career of Yella Pessl, a harpsichordist, pianist and organist.

The Yiddish Theater collection includes material on the Yiddish theater collective The Vilna Troupe (Di Vilner trupe) regarding their shows in Europe (press clippings and programs). The collection also includes a few ephemera (autographed pictures), some correspondence of M. Schneidow/Shnatman, Kalisch, and Jonas Jacobson, and a variety of typescripts/manuscripts (incl. film exposés by M. Schneidow). The collection also includes the Bergen Belsen photo albums and Yiddish sheet music of the twentieth century published in New York City (primarily by Hebrew Publishing Co. and Metro Music).

Young Mens and Womens Christian Associations founded as a response to unhealthy social and living conditions in cities at the end of the Industrial Revolution. Collection includes reports, correspondence, minutes, and pamphlets from YMCA and YWCA branches around the world.

Collection consists of records and memorabilia from the YMCA Buffalo Niagara (formerly the Young Men's Christian Association) dating from its inception in 1852.

YMCA Press Institutional records, correspondence with prominent public figures.

Correspondence, manuscripts, speeches, documents, news releases, printed materials, audio recordings, and motion picture film. Of interest in the correspondence are letters from John Foster Dulles, Lieut. Gen. John R. Hodge and Maj. Gen. Archer L. Lerch, the first two U.S. military governors of South Korea, Syngman Rhee, Eleanor Roosevelt, and Kim Il Sung. His correspondence deals mainly with the issue of reunification. The manuscript series includes articles and speeches by Kim as well as unpublished manuscripts by others assigned to him. The documents are mainly those related to the Korean Affairs Institute. The press clippings and printed materials cover Korean problems from 1945 to 1975 and include Korean language newspapers and periodicals. Thera are also some books and pamphlets from his library, including printed volumes of Korean government documents and other books on Korea from the first two decades of the twentieth century, six electrical transcriptions of radio programs in which Kim was interviewed, and one motion picture film "Liberation of Korea."

Architectural drawings for projects designed by the firm. The drawings, mostly blueprints, documents Allegheny General Hospital, Pittsburgh, Pa.; Mountainside Hospital, Glen Ridge, N.J.; The Department of Commerce Building, Washington, D.C.; The New York Academy of Medicine, New York, N.Y.; Federal Reserve Bank of New York, New York, N.Y.; and University of Michigan, Ann Arbor, Mich.

Yosef Yerushalmi was a Jewish historian and a professor of Jewish history, primarily at Harvard University and Columbia University. This collection includes most of his academic records and many of his personal records as well. This includes research, correspondence, and notes.

A collection of 44 original photographs by Yosei Amemya, New York. The subjects include private gardens, office buildings and houses (interior and exterior views) and a few bridges. The majority are printed in a grainy, soft focuse technique and signed in pencil by the photographer. Also included are 3 halftone prints of bridges after photos by Amemya.