Author
Gale Research Inc
13
R.L. Polk & Co
12
Social Register Association (U.S.)
10
Chamber of Commerce of Greater Philadelphia
7
New Century Club (Philadelphia, Pa.)
6
Delaware and Atlantic Telegraph and Telephone Company
4
Penn Dept. of Community Affairs
4
Penn Dept. of Transportation
4
R.R. Bowker Company
4
American Association of Museums
3
Gale Research Company
3
Greater Philadelphia Cultural Alliance
3
Joint Center for Political Studies (U.S.)
3
New Century Company (Philadelphia, Pa.)
3
Penjerdel (Corporation)
3
Penn Club (Philadelphia, Pa.)
3
Philadelphia Bar Association
3
American Baptist Churches in the U.S.A.
2
American Historical Association. Institutional Services Program
2
American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc Philadelphia Chapter
2
American Unitarian Association
2
Asbury Park Public Library
2
Bell Telephone Company of Pennsylvania
2
Bentley, Elizabeth Petty
2
Boyd, William Henry, 1825-1887
2
Catholic Church. Archdiocese of Philadelphia (Pa.)
2
Elise Willing Balch Collection
2
Engineers Club of Philadelphia
2
Episcopal Church
2
First Presbyterian Church in Germantown (Philadelphia, Pa.)
2
George de Benneville Keim Memorial Collection
2
Georgia. Secretary of State
2
Harris, Isaac
2
Haverford Township Chamber of Commerce
2
Ibach, L. J.
2
Ibach, William R.
2
Jaques Cattell Press
2
Kay, Josiah S.
2
Keystone Telephone Company (Philadelphia)
2
Manuscript Society (U.S.)
2
Master Builders' Exchange (Philadelphia)
2
Pennsylvania Historical and Museum Commission
2
Philadelphia Chamber of Commerce
2
Philip Morris Incorporated
2
Protestant Episcopal Society for the Promotion of Evangelical Knowledge
2
Provident National Bank
2
State Library of Pennsylvania. Bureau of Library Development
2
Thurston, George H. 1822-1895
2
United States. Congress
2
University of Pennsylvania
2
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