Author
Delaware County Institute of Science (Media, Pa.)
2
Berks County Medical Society (Pa.)
1
Chester County Cabinet of Natural Science (West Chester, Pa.)
1
Fruit Growers' Society of Eastern Pennsylvania
1
Historical Society of Berks County
1
Historical Society of Pennsylvania
1
Kittochtinny Historical Society, Chambersburg, Pa
1
Lumber Merchants' Association (Philadelphia)
1
Medical Society of the State of Pennsylvania
1
Monroe County Historical Society (Pa.)
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 Fish Protective Association
1
Pennsylvania Horticultural Society (Philadelphia)
1
Pennsylvania Manufacturers' Association
1
Pennsylvania State Agricultural Society
1
Pennsylvania association of planning commissioners
1
Philadelphia Fire Underwriters' Association
1
Pottstown Historical Society (Pottstown, Pa.)
1
Progressive Gardeners' Society (Philadelphia)
1
Society of Colonial Wars in the Commonwealth of Pennsylvania
1
Sugarloaf Historical Association
1