Author
Philadelphia Record
1,315
David Johnston Kennedy, 1816-1898
1,000
Pennsylvania
661
Historical Society of Pennsylvania
613
United States
477
American Imprint Collection (Library of Congress)
466
Franklin, Benjamin, 1706-1790
437
Penn, William, 1644-1718
357
Carey, Mathew, 1760-1839
337
Unknown author
336
Pennsylvania Historical and Museum Commission
304
Washington, George, 1732-1799
299
Archives of Czechs and Slovaks Abroad
279
Ethnic Heritage Studies Program (U.S.)
272
Jackson, Ronald Vern
257
Balch Institute for Ethnic Studies
230
New England Historic Genealogical Society
224
United States. Bureau of the Census
212
University of Pennsylvania
193
American Philosophical Society
180
Strobridge & Co. Lith.,
179
United States. Department of State
178
United States Census Office
173
John Forbes & Company,
169
Pennsylvania Railroad
167
Cunningham, John T.
162
Albertype Co
155
Sanborn Map Company
153
Pennsylvania Academy of the Fine Arts
150
Walnut Street Theatre (Philadelphia, Pa.)
149
Library of Congress
147
United States. Congress
147
Miscellaneous Pamphlet Collection (Library of Congress)
146
American Sunday-School Union
144
Leland, Charles Godfrey, 1824-1903
141
Union League of Philadelphia
137
Joseph Meredith Toner Collection (Library of Congress)
135
Keith, George, 1639?-1716
135
Marian S. Carson Collection (Library of Congress)
132
Arch Street Theatre (Philadelphia, Pa.)
131
The J. G. Brill Company
128
Weiser, Conrad
126
H.A. Thomas, Lith. Studio (New York, N.Y.)
123
Sharp, Joshua
123
Teeples, Gary Ronald,
122
United States. Congress. House
122
YA Pamphlet Collection (Library of Congress)
121
Frederic R. Kirkland Collection
120
Library Company of Philadelphia
120
National Theatre (Philadelphia, Pa.)
119
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