Harris Collection of American Poetry and Plays (Brown University) Plays, 1951-1975 Gotham Book Mart Collection (University of Pennsylvania) 167 Mamet, David 56 Albee, Edward, 1928-2016 43 Leonard L. Milberg Collection of Jewish American Writers 43 Simon, Neil 42 Culture Class Collection (University of Pennsylvania) 39 Wilson, Lanford, 1937-2011 38 American Culture Class Collection (University of Pennsylvania) 37 Errol G. Hill Collection 33 Linney, Romulus, 1930-2011 33 McNally, Terrence 33 Horovitz, Israel 31 Gurney, A. R (Albert Ramsdell), 1930-2017 30 Carmichael, Fred 29 Shepard, Sam, 1943-2017 29 Dramatists Play Service (New York, N.Y.) 28 Jonathan Dodd Collection of Edward Albee, Stephen Sondheim, and Tennessee Williams (Beinecke Rare Book and Manuscript Library) 27 Guare, John 26 Linney, Romulus, 1930- 23 Rabe, David 23 Gurney, A. R (Albert Ramsdell), 1930- 22 Patrick, John, 1905-1995 22 Schisgal, Murray, 1926- 22 Sharkey, Jack 21 Wilson, Lanford, 1937- 19 Tasca, Jules 17 Weller, Michael, 1942- 17 Bobrick, Sam 16 Shepard, Sam, 1943- 16 see all ...