Author
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Philadelphia & Reading Railroad Co
35
Pennsylvania. General Assembly. Senate
34
Philadelphia (Pa.). Councils
34
Pennsylvania. Bureau of Topographic and Geologic Survey
33
Ledger Job Printing Office (Philadelphia, Pa.)
32
Smith, Carl T., Rev
32
Lebanon County Historical Society (Pa.)
31
Courier Printing Company
30
Morgan, Matthew Somerville, 1839-1890
30
Williams, Richard T.
30
Pennsylvania. Board of Canal Commissioners
29
Carson, Hampton L. 1852-1929
28
Pennypacker, Samuel W. 1843-1916
28
Sachse, Julius Friedrich, 1842-1919
28
Graham, Daniel A., 1948-
27
Merchants' Fund (Philadelphia, Pa.)
27
Philadelphia City Planning Commission
27
Smith, Linda E.
27
Smith, William, 1727-1803
27
Chestnut Street Theatre (Philadelphia, Pa.)
26
Joseph Meredith Toner Collection (Library of Congress)
26
Pennsylvania. Department of Public Instruction
26
Chester County Historical Society (West Chester, Pa.)
25
Historical Society of Western Pennsylvania
25
Bucks County Historical Society
24
Maier, Phyllis C.
24
Wright, F. Edward
24
YA Pamphlet Collection (Library of Congress)
24
Bureau of Municipal Research (Philadelphia, Pa.)
23
Franklin, Benjamin, 1706-1790
23
Jordan, John W. 1840-1921
23
Lehigh Coal and Navigation Company
23
Maerz
23
Pennsylvania Society for Promoting the Abolition of Slavery
23
United States. National Park Service
23
Hinke, William John, 1871-1947
22
Western Pennsylvania Genealogical Society
22
Young Men's Christian Association (Philadelphia, Pa.)
22
College of Physicians of Philadelphia
21
Diffenderffer, Frank Ried, 1833-1921
21
Fernon, Thomas S. 1818-1896
21
Greater Philadelphia Cultural Alliance
21
Miscellaneous Pamphlet Collection (Library of Congress)
21
Pennsylvania State Library
21
Rice, Phillip A.
21
Rupp, I. Daniel 1803-1878
21
Slaven, Trudy
21
Sons of the Revolution. Pennsylvania Society
21
Aurand, A. Monroe 1895-1956
20
Elise Willing Balch Collection
20
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