Correspondence to and from students, peers, etc. Includes letters from Saperton's students Jorge Bolet, Abbey Simon, and Sidney Foster, as well as pianist Josef Hofmann and composer Randall Thompson.

Photographs include black and white portraits of Paul Howard and his family with inscriptions to David Saperton; an unidentified German couple; portraits possibly of Vanita Godowsky, Leopold's daughter and wife of David Saperton, as well as portraits of Godowsky and Saperton.

Austrian-born American music theorist Felix Salzer (1901-1986) furthered the system of musical analysis developed by Heinrich Schenker and was a faculty member and executive director of the Mannes College of Music. The collection contains biographical information, Salzer's honorary doctorate from Mannes and materials and photographs relating to the degree conferral ceremony, as well as vacation photographs of Salzer and his wife, Hedwig Lindtberg.