File YWCA, 1938-1965 Box 2020, Folder 12 Repository Seeley G. Mudd Manuscript Library » Public Policy Papers » American Civil Liberties Union Records: Subgroup 2, Printed Materials Series, 1947-1995 » …
File Y-Z, 1919-1957 Box 31, Folder 1 Repository Firestone Library » Manuscripts Division » Albert Einstein Duplicate Archive, 1859-1979 (mostly 1912-1955)
File "Y"-"Z", 1923-1948 Box 18, Folder 12 Repository Seeley G. Mudd Manuscript Library » Public Policy Papers » Raymond Blaine Fosdick Papers, 1898-1971 (mostly 1917-1952) » …
File Z, 1934-1947 Box 46, Folder 12 Repository Firestone Library » Manuscripts Division » Story Magazine and Story Press Records, 1931-1999
File Z, 1936-1959 Box 7, Folder 10 Repository Seeley G. Mudd Manuscript Library » Public Policy Papers » Edward S. Corwin Papers, circa 1860-1961 (mostly 1920-1958) » …
File Z, 1944-1952 Box 14, Folder 4 Repository Seeley G. Mudd Manuscript Library » Public Policy Papers » Louis Fischer Papers, 1890-1977 (mostly 1935-1969) » …
File Z, 1945 Box 662, Folder 7 Repository Firestone Library » Manuscripts Division » Archives of Charles Scribner's Sons, 1786-2004 (mostly 1880-1979) » …
File Zabel, Morton, 1931-1946 Box 33, Folder 11 Repository Firestone Library » Manuscripts Division » R. P. Blackmur Papers, 1864-1965 » …
File Zabel, Morton D., 1931-1963 Box 67, Folder 5 Repository Firestone Library » Manuscripts Division » Allen Tate Papers, 1909-1979 (mostly 1950-1979) » …
File Zabriskie, George A. (George Albert), 1945-1947 Box 20, Folder 54 Repository Firestone Library » Manuscripts Division » Delafield Family Papers, 1393-1985 (mostly 1800-1950) » …