The Zarifopol-Johnston mss., 1988-2008, consists of translator Ilinca Zarifopol-Johnston's research and writings on the Romanian philosopher E. M. Cioran.
The Zanuck mss., 1935-1951, consist of inter-office correspondence and notes to and from Darryl Francis Zanuck, 1902-1979, producer, and other officials of the Twentieth Century-Fox film studio.
Consists of prompt scripts, ground plans and elevations, light plots, sound plots and type recordings, property and costume plots, and printed playbills for twenty-seven New York stage productions.
The Young, Louisa mss., 1914-1919, consist of World War I correspondence to Louisa (Louie) Young of Bath, England, primarily from her son, Private Fred C. Young, who served with the British Army in India and Mesopotamia.
The Yellen mss., 1863-1968, consist of the correspondence and writings of Samuel Yellen, 1906-1983, author and professor of English at Indiana University at Bloomington.
The Yeats mss., 1889-1954, consists of letters and writings of William Butler Yeats, 1865-1939, and materials about him, collected by Allan Wade, 1881-1955, compiler of A Bibliography of the Writings of W. B. Yeats... (London, 1951), and editor of The Letters of W. B. Yeats... (New York, 1955).
The Wyndham mss., 1813-1841, consist of letters from Charles Wyndham, 1796-1866, army officer, to his father, Sir George O'Brien Wyndham, 3rd earl of Egremont, 1751-1837, patron of art; to his sister Charlotte Wyndham, 1795-?; and to his wife Hon. Elizabeth Anne (Hugh) Wyndham, ?-1873.