Gotham Book Mart Collection (University of Pennsylvania) Harris Collection of American Poetry and Plays (Brown University) Poetry, 1951-1975 55 Harris Collection of American Poetry and Plays (Brown University) Collections and Anthologies 44 Culture Class Collection (University of Pennsylvania) 20 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1976-2000 19 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1926-1950 18 English Culture Class Collection (University of Pennsylvania) 16 Leonard L. Milberg Collection of American Poetry 15 Eliot, T. S (Thomas Stearns), 1888-1965 14 Harris Collection of American Poetry and Plays (Brown University) Periodicals 14 Heaney, Seamus, 1939-2013 14 Thomas Lask Poetry Collection (University of Pennsylvania) 11 Auden, W. H (Wystan Hugh), 1907-1973 9 Julio Mario Santo Domingo Collection 9 Heaney, Seamus 8 Michael Putnam Collection of the Works of Seamus Heaney (Brown University) 8 Thomas, D. M 8 Rexroth, Kenneth, 1905-1982 7 Blake, William, 1757-1827 6 Coleridge, Samuel Taylor, 1772-1834 6 Davie, Donald 6 Harris Collection of American Poetry and Plays (Brown University) Poetry, 1901-1925 6 Hopkins, Gerard Manley, 1844-1889 6 Jean-François Vilain and Roger S. Wieck Collection of Private Presses, Ephemera, & Related References (University of Pennsylvania) 6 Wolfe, Humbert, 1885-1940 6 Yeats, W. B (William Butler), 1865-1939 6 Austin Warren Collection (Brown University) 5 Betjeman, John, 1906-1984 5 Donne, John, 1572-1631 5 Erwin K. and Carol Welsch T.S. Eliot Collection (University of Pennsylvania) 5 see all ...