Adam Matthew Digital (Firm) 22,005 AM (Publisher) 3,231 Library of Congress Congressional Research Service 889 Gotham Book Mart Collection (University of Pennsylvania) 653 Inter-university Consortium for Political and Social Research 600 Films for the Humanities & Sciences (Firm) 495 Films Media Group 486 Warner Home Video (Firm) 304 De Gruyter 286 Rosengarten Family Fund 244 Twentieth Century Fox Home Entertainment, Inc 242 United States Congress 238 Diversity Award Winning and Notable Children's and Young Adult Books (University of Pennsylvania) 232 Criterion Collection (Firm) 218 ebrary, Inc 214 ProQuest (Firm) 212 Alexander Street Press 207 St. Martin's Press/Tor Archive (Brown University) 199 Sallie Bingham Center for Women's History and Culture 170 United States. Bureau of the Census 167 Sony Pictures Home Entertainment (Firm) 165 Caroline F. Schimmel Collection of Women in the American Wilderness (University of Pennsylvania) 164 Alumni and Friends Memorial Book Fund 148 United States Bureau of the Census 148 Alcott, Louisa May, 1832-1888 141 Immigrant and Refugee Experiences in Children's and Young Adult Literature Collection (University of Pennsylvania) 126 Pillar Collection (Brown University) 126 Doddridge, Philip, 1702-1751 123 Harris Collection of American Poetry and Plays (Brown University) Plays, 2001-2025 119 University of Pennsylvania 115 see all ...