Culture Class Collection (University of Pennsylvania) American Culture Class Collection (University of Pennsylvania) 4,522 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1609-1875 409 Gotham Book Mart Collection (University of Pennsylvania) 292 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 224 Harris Collection of American Poetry and Plays (Brown University) Plays, 1926-1950 156 Harris Collection of American Poetry and Plays (Brown University) Plays, 1901-1925 126 Library of Theodore Dreiser (University of Pennsylvania) 111 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1876-1900 110 Farrell, James T (James Thomas), 1904-1979 88 Harte, Bret, 1836-1902 78 James, Henry, 1843-1916 77 Twain, Mark, 1835-1910 76 Howells, William Dean, 1837-1920 69 Dreiser, Theodore, 1871-1945 68 Harold L. Tinker Collection (Brown University) 68 Laughlin Collection (Brown University) 68 Sallie Bingham Center for Women's History and Culture 68 Lisa Unger Baskin Collection (David M. Rubenstein Rare Book & Manuscript Library) 58 Frost, Robert, 1874-1963 56 Williams, William Carlos, 1883-1963 56 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 55 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 55 Jack Harris Samuels Library 55 Cooper, James Fenimore, 1789-1851 54 Irving, Washington, 1783-1859 51 Collection of British and American Fiction, 1660-1830 (University of Pennsylvania) 49 English Culture Class Collection (University of Pennsylvania) 47 Cabell, James Branch, 1879-1958 45 Harry Lyman Koopman Collection (Brown University) 45 see all ...