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Delaware County Institute of Science (Media, Pa.)
2
Historical Society of Pennsylvania
2
Pennsylvania Historical and Museum Commission
2
Pennsylvania Tuberculosis Society
2
Berks County Medical Society (Pa.)
1
Chester County Cabinet of Natural Science (West Chester, Pa.)
1
College of Physicians of Philadelphia
1
Farmers' Club of Pennsylvania
1
Fruit Growers' Society of Eastern Pennsylvania
1
Health and Welfare Council (Philadelphia, Pa.)
1
Historical Society of Berks County
1
Kittochtinny Historical Society, Chambersburg, Pa
1
Ladies Association for Soldiers' Relief of United States (Philadelphia, Pa.)
1
Lumber Merchants' Association (Philadelphia)
1
Meadowbrook Club (Philadelphia, Pa.)
1
Medical Society of the State of Pennsylvania
1
Monroe County Historical Society (Pa.)
1
National Society of the Colonial Dames of America in the Commonwealth of Pennsylvania
1
Natural History Club of Philadelphia
1
Pennsylfawnish Deitsh fersommling fun Baerricks Kounty
1
Pennsylvania Academy of the Fine Arts
1
Pennsylvania Bar Association
1
Pennsylvania Bureau of Municipalities
1
Pennsylvania Council on the Arts
1
Pennsylvania Federation of Historical Societies
1
Pennsylvania Fish Protective Association
1
Pennsylvania Historical Commission
1
Pennsylvania Historical Organizations
1
Pennsylvania Historical Society
1
Pennsylvania Horticultural Society (Philadelphia)
1
Pennsylvania Manufacturers' Association
1
Pennsylvania State Agricultural Society
1
Pennsylvania association of planning commissioners
1
Philadelphia (Pa.) Health Council and Tuberculosis Committee
1
Philadelphia Fire Underwriters' Association
1
Philadelphia Tuberculosis and Health Association
1
Pottstown Historical Society (Pottstown, Pa.)
1
Progressive Gardeners' Society (Philadelphia)
1
Rothman, Milton
1
Society of Colonial Wars in the Commonwealth of Pennsylvania
1
Sugarloaf Historical Association
1
Tulpehocken Settlement Historical Society
1
Women's Historical Society of Pennsylvania
1
Wyoming Historical and Geological Society
1