Author
Philadelphia Record
1,305
Pennsylvania
650
Historical Society of Pennsylvania
510
United States
452
Franklin, Benjamin, 1706-1790
383
Carey, Mathew, 1760-1839
335
Penn, William, 1644-1718
334
Pennsylvania Historical and Museum Commission
300
Unknown author
293
Washington, George, 1732-1799
284
Jackson, Ronald Vern
256
United States Congress House
227
New England Historic Genealogical Society
222
Ethnic Heritage Studies Program (U.S.)
219
United States Bureau of the Census
205
United States Congress
197
United States Census Office
189
University of Pennsylvania
185
Strobridge & Co. Lith
179
American Philosophical Society
175
United States Dept. of State
172
John Forbes & Company,
169
Cunningham, John T.
161
Albertype Co
154
Sanborn Map Company
153
Walnut Street Theatre (Organization : Philadelphia, Pa.)
147
Pennsylvania Railroad
143
Pennsylvania Academy of the Fine Arts
141
Library of Congress
140
Leland, Charles Godfrey, 1824-1903
138
Union League of Philadelphia
138
United States Congress Senate
136
United States Continental Congress
133
Arch Street Theatre (Philadelphia, Pa.)
131
Keith, George, 1639?-1716
130
American Sunday-School Union
126
Frederic R. Kirkland Collection
122
H.A. Thomas, Lith. Studio (New York, N.Y.)
122
National Theatre (Philadelphia, Pa.)
119
Pennell, Joseph, 1857-1926
118
Library Company of Philadelphia
117
Newcomen Society of the United States
114
United States Dept. of the Treasury
114
United States War Dept
114
Essex Institute
113
Williams, Talcott
112
Teeples, Gary Ronald,
109
Pennsylvania Comptroller-General's Office
108
Paine, Thomas, 1737-1809
107
Philadelphia Museum of Art
107
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