The Institutions Surveyed:

The American Philosophical Society
American Swedish Historical Museum
The Athenaeum of Philadelphia
Bucks County Historical Society/Mercer Museum
Chester County Archives and Records Services
Chester County Historical Society Library
Cliveden
The David Library of the American Revolution
Hagley Museum and Library
Haverford
Historical Society of Delaware
The Historical Society of Pennsylvania
Independence National Historic Park
The Library Company of Philadelphia
National Archives and Records Administration – Mid-Atlantic Region
Pennsylvania State Archives
Philadelphia City Archives
The Philadelphia Contributionship
Swarthmore College Friends Historical Library
The University of Pennsylvania
Winterthur Library
York County Heritage Trust

Compilers:

Cathy Matson, Professor of History at the University of Delaware and Director of PEAES at the LCP, and
Wendy Woloson, Curator of Printed Books and Bibliographer of PEAES at the LCP