Quick Links to Member Libraries
- The Academy of Natural Sciences
- The American Philosophical Society
- Athenaeum of Philadelphia
- The Barnes Foundation
- Bryn Mawr College
- Chemical Heritage Foundation
- Chester County Historical Society
- City of Philadelphia Department of Records
- The College of Physicians of Philadelphia
- Delaware Art Museum
- Drexel University
- Franklin & Marshall College
- Free Library of Philadelphia
- German Society of Pennsylvania
- Hagley Museum & Library
- Haverford College
- The Historical Society of Pennsylvania
- Independence Seaport Museum
- La Salle University
- Lehigh University
- Library Company of Philadelphia
- The Lutheran Theological Seminary at Philadelphia
- National Archives - Mid Atlantic Region
- The Pennsylvania Horticultural Society
- Philadelphia Museum of Art
- Presbyterian Historical Society
- Rosenbach Museum & Library
- State Library of Pennsylvania
- Swarthmore College
- Temple University
- Union League of Philadelphia/Abraham Lincoln Foundation
- University of Delaware
- University of Pennsylvania
- Villanova University
- Wagner Free Institute of Science
- Winterthur Museum, Garden & Library