The Leon Auerbach Papers consist of letters, class notes, certificates, minutes of faculty and mathematics departmental meetings, and newsletters. Also included in the collection are letters, reports, and memorandums of the International Games for the Deaf which was held in Washington, DC in 1965.

The collection, which consists of approximately 22,100 pages, dates from 1930 to 1986. The bulk of the collection consists of letters, reports, memorandums and minutes of meetings. They are related to his employment as a professor at Gallaudet and also his activities as a chair for the mathematics department. The bulk dates are mostly between 1960s and 1970s.

The largest subject in the collection is focused on the education of the deaf where Auerbach was employed as a mathematics professor. Auerbach was a chair of the departmental and he wrote many of his memorandums, letters and class notes related to his teaching. He was involved in many committees at Gallaudet, such as Alumni House Committee; Collegiate Faculty Committee; Committee on Honorary Degrees; and Hall of Fame Committee. He was actively involved in several deaf organizations such as the Maryland Association of the Deaf; Metropolitan Washington Association of the Deaf; International Games for the Deaf; Alexandria-Potomac Lions Club; National Association of the Deaf; and National Association of the Deaf. These organizations contain reports, letters, and memorandums.