Academy of Natural Sciences
Bryn Mawr College
Chester County Historical Society
City of Philadelphia Department of Records
College of Physicians of Philadelphia
Drexel University Archives and Special Collections
Drexel University College of Medicine
Free Library of Philadelphia
German Society of Pennsylvania
Haverford College
Historical Society of Pennsylvania
Independence Seaport Museum
Library Company of Philadelphia
Lutheran Theological Seminary at Philadelphia
National Archives and Records Administration-Mid Atlantic Region
Pennsylvania Horticultural Society
Philadelphia Museum of Art
Presbyterian Historical Society
Rosenbach Museum and Library
Temple University Libraries Special Collections Research Center
Union League of Philadelphia
University of Delaware
University of Pennsylvania
Wagner Free Institute of Science
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PACSCL Hidden Collections Processing Project
Revealing the Unknown Stories of the Philadelphia Region
