Author
Penn, William, 1644-1718
12
Pennsylvania. Department of Commerce
10
Taylor, Frank H. 1846-1927
10
John Wanamaker (Firm)
9
Jackson, Joseph, 1867-1946
8
Pennsylvania Historical and Museum Commission
6
Philadelphia Rapid Transit Company
6
Trades League of Philadelphia
6
Bartram, John, 1699-1777
5
Bowen, Eli, 1824-
5
Schoff, Wilfred H. 1874-1932
5
Centennial Guide Book Company
4
Committee of 1926 of Pennsylvania
4
George de Benneville Keim Collection
4
Lehigh Valley Railroad Company
4
Paskell, Thomas
4
Penn Mutual Life Insurance Company
4
Pennsylvania Railroad
4
Tanner, Henry Schenck, 1786-1858
4
Beatty, Charles, 1715?-1772
3
Bromwell, William
3
Chetwood, W. R. -1766
3
Delaware County Convention & Visitors Bureau (Pa.)
3
Faris, John Thomson, 1871-1949
3
Furly, Benjamin, 1636-1714
3
Gadomski, Michael P.,
3
Greater Philadelphia Tourism Marketing Corp
3
Hartranft, Rufus C.
3
Hollister, H. 1822-1893
3
International Congress of Navigation
3
Jenkins, Charles Francis, 1865-1951
3
Jordan, John W. 1840-1921
3
Mittelberger, Gottlieb
3
Morley, Christopher, 1890-1957
3
North Pennsylvania Railroad Company
3
Pennell, Elizabeth Robins, 1855-1936
3
Pennsylvania. State Publicity Commission
3
Philadelphia Convention & Visitors Bureau
3
Philadelphia Transportation Company
3
Rand McNally and Company
3
Reed, John
3
Rupp, I. Daniel 1803-1878
3
Site and Relic Society of Germantown (Germantown, Philadelphia, Pa.)
3
Weiser, Conrad, 1696-1760
3
American Automobile Association
2
American Publishing and Engraving Co
2
Åkerman, Rich. 1837-1922
2
Barber, Edwin Atlee, 1851-1916
2
Bonta, Marcia, 1940-
2
Bowen, Daniel, 1760-1856
2
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