American Culture Class Collection (University of Pennsylvania) Gotham Book Mart Collection (University of Pennsylvania) Culture Class Collection (University of Pennsylvania) 441 Harris Collection of American Poetry and Plays (Brown University) Plays, 1926-1950 37 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 32 Laughlin Collection (Brown University) 20 Library of Theodore Dreiser (University of Pennsylvania) 17 Williams, William Carlos, 1883-1963 17 Harris Collection of American Poetry and Plays (Brown University) Plays, 1901-1925 16 Tarkington, Booth, 1869-1946 15 Harold L. Tinker Collection (Brown University) 14 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 13 Jack Harris Samuels Library 12 Nathan, George Jean, 1882-1958 12 Donald Windham and Sandy Campbell Library (Beinecke Rare Book and Manuscript Library) 11 Williams, Tennessee, 1911-1983 10 Harold L. Tinker Collection (Brown University) Duplicates not retained 9 Thomas Lask Poetry Collection (University of Pennsylvania) 9 Black Sparrow Press 8 Dwiggins, W. A (William Addison), 1880-1956 8 Eliot, T. S (Thomas Stearns), 1888-1965 8 Farrell, James T (James Thomas), 1904-1979 8 Harris Collection of American Poetry and Plays (Brown University) Plays, 1951-1975 8 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 8 Quinn & Boden Company 8 Spiral Press 8 Brooks, Van Wyck, 1886-1963 7 Frost, Robert, 1874-1963 7 Jonathan Dodd Collection of Edward Albee, Stephen Sondheim, and Tennessee Williams (Beinecke Rare Book and Manuscript Library) 7 Leonard L. Milberg Collection of American Poetry 7 see all ...