Author
Chester County Historical Society (West Chester, Pa.)
3
American Free Produce Association
2
American Prison Association
2
American Turners (Organization)
2
California Genealogical Society
2
Camden County Historical Society (N.J.)
2
Cape May Geographic Society
2
Carriage Association of America
2
Chestnut Street Business Men's Association
2
Delaware County Institute of Science (Media, Pa.)
2
Delaware County Society for the Prevention of Cruelty to Animals (Pennsylvania)
2
Descendants of the Signers of the Declaration of Independence
2
Friends' Association of Philadelphia and Its Vicinity, for the Relief of Colored Freedmen. Executive Board
2
Huguenot Society of New Jersey
2
Irish Catholic Benevolent Union
2
Latvian Credit Union (Toronto, Ont.)
2
Lehigh County Historical Society
2
Mutual Assurance Company for Insuring Houses from Loss by Fire
2
National Slovak Society of the United States of America
2
North American Gymnastic Union
2
Pennsylvania State Dental Society
2
Philip Morris Incorporated
2
Suomalainen Raittius-Keskustoimikunta (U.S.)
2
American Academy of Political and Social Science
1
American Association for State and Local History
1
American Association of Museums
1
American Colonization Society
1
American Convention for Promoting the Abolition of Slavery and Improving the Condition of the African Race
1
American Correctional Association
1
American Historical Association. Institutional Services Program
1
American Humane Association
1
American Institute of Architects. Philadelphia Chapter
1
American Iron and Steel Association
1
American Library Association
1
American Society of Genealogists
1
American Society of Municipal Engineers
1
American-Irish Historical Society
1
Arab-American Historical Foundation
1
Art Libraries Society of North America
1
Art Libraries Society of North America. Conference
1
B'nai B'rith. Anti-defamation League
1
Berks County Medical Society (Pa.)
1
Bibliophile Society (Boston, Mass.)
1
Boston Architectural Club
1
Boston Society of Architects
1
Bostonian Society
1
Bucks County Historical Society
1
Builder's Exchange (Philadelphia)
1
Builders' Exchange (Philadelphia)
1
Cambrian Archaeological Association
1
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