Author
Gale Research Inc
7
New Century Club (Philadelphia, Pa.)
6
Chamber of Commerce of Greater Philadelphia
4
Delaware and Atlantic Telegraph and Telephone Company
4
Penn Dept. of Community Affairs
4
Penn Dept. of Transportation
4
R.L. Polk & Co
4
American Association of Museums
3
New Century Company (Philadelphia, Pa.)
3
Penn Club (Philadelphia, Pa.)
3
Philadelphia Bar Association
3
R.R. Bowker Company
3
Social Register Association (U.S.)
3
American Baptist Churches in the U.S.A.
2
American Society of Heating, Refrigerating and Air Conditioning Engineers, Inc Philadelphia Chapter
2
Bell Telephone Company of Pennsylvania
2
Bentley, Elizabeth Petty
2
Boyd, William Henry, 1825-1887
2
Catholic Church. Archdiocese of Philadelphia (Pa.)
2
First Presbyterian Church in Germantown (Philadelphia, Pa.)
2
Gale Research Company
2
Georgia. Secretary of State
2
Greater Philadelphia Cultural Alliance
2
Harris, Isaac
2
Haverford Township Chamber of Commerce
2
Ibach, L. J.
2
Ibach, William R.
2
Kay, Josiah S.
2
Keystone Telephone Company (Philadelphia)
2
Master Builders' Exchange (Philadelphia)
2
Penjerdel (Corporation)
2
Pennsylvania Historical and Museum Commission
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
AIDS Information Network (Philadelphia, Pa.)
1
American Academy of Political and Social Science
1
American Association for State and Local History
1
American College of Physicians
1
American Federation of Arts
1
American Guild of Organists Philadelphia Chapter
1
American Historical Association. Institutional Services Program
1
American Hotel Association
1
American Hotel Association of the United States and Canada
1
American Institute for Conservation of Historic and Artistic Works
1
American Institute of Architects. Philadelphia Chapter
1
American Institute of Mining, Metallurgical, and Petroleum Engineers
1
American Medical Association
1
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