Correspondence, manuscripts, photographs, and printed materials of Lamont. Letters from George Santayana (1863-1952), with Lamont and others, a few early manuscripts, interviews and other notes on Santayana, and general correspondence about him. A series of letters from John Dewey to Lamont, discussing his ideas on humanism and religion. Extensive correspondence with the family of John Masefield including approximately 100 letters from Judith Masefield to Lamont, primarily written shortly after the death in 1967 of her father the poet John Masefield, and dealing with his life and work. Also, a few of her own writings; a number of the letters are descriptive of historical England and her concern for contemporary events. Among the letters from other family members are fifteen from Lamont's nephew, Jack Masefield, and 53 from his cousin Sir Peter G. Masefield, 1970-1983, conveying news about Judith as well as interest in the publication of John Masefield's letters from the World War I years and their continuing appreciation of Lamont's work on Masefield. There is discussion on the publication of Masefield's letters to Corliss' mother, Florence Lamont, printed in 1979.

Edmund Stevens (1910-1992) was an American journalist who worked as a foreign correspondent in the Soviet Union from the 1930s until the early 1990s. He won the Pulitzer Prize for international reporting in 1950. The papers include articles, book materials, correspondence, travel notes, reporter notebooks, and photographs.

Collection includes 19 manuscript notebooks of poetry and prose; 42 titled articles in typescript form on religious, political, literary and autobiographical topics; several published collections of her poetry; and a folder of original drawings. Also included are three biographical articles by K. Mochulśkiĭ, M. Vishni︠a︡k and her mother Sofii︠a︡ Borisovna Pilenko, as well as her own childhood and that of her mother and grandmother during the era of Alexander I, Nicholas I, and Alexander II.