The Eastman mss. V, 1880-2009, consist of the photographs, correspondence, personal papers, writings, and legal documents of Max Eastman, 1883-1969; and Yvette Szekely Eastman, 1912-2014.
The Eastman mss. IV, 1890-2009, consist of the photographs, correspondence, personal papers, writings, and artwork of Max Eastman, 1883-1969; Yvette Szekely Eastman, 1912-2014; and Eliena Krylenko Eastman, 1895-1956.
The Eastman, A.F. mss., 1896-1956, consists of the correspondence of Anstice Ford Eastman, 1878-1937, surgeon, with his mother, Annis Bertha (Ford) Eastman, 1852-1910, minister; his father, Samuel Elijah Eastman, 1846-1925, clergyman; his sister, Crystal Eastman, 1881-1928, lawyer; and his brother, Max Eastman, 1882-1969, author.
The Trotskii mss., 1900-1957, consist principally of the correspondence of Lev Trotskii, 1879-1940, Russian communist leader, and Max Eastman, 1883-1969, author, during the period when Eastman was preparing his book about Trotskii in 1922 and 1923 and later when he served unofficially as Trotskii's literary agent from 1929 to 1933.
The Eastman, E. mss., 1923-1958, consists primarily of the correspondene and writings of Eliena Vassilyenva Krylenko Eastman, 1895-1956, artist, and Max Eastman, 1883-1969, author.
The Hahn-Brandt mss., 1935-1983, consists of New York literary agency Brandt & Brandt office files concerning American author and journalist Emily Hahn, 1905-1997.
The Eastman mss. III, ca. 1936, consist of a substantially complete annotated typescript and three partial earlier carbon drafts of Max Eastman's book The Enjoyment of Laughter.