Author
Philadelphia Record
10
Chamber of Commerce of Greater Philadelphia
6
Phlash (Firm : Philadelphia, Pa.)
6
Big Bus Company of Pennsylvania
4
Chestnut Street Association (Philadelphia, Pa.)
4
Philadelphia Real Estate Board
4
Warley Bascom Sons (firm)
4
Bates, Timothy Mason
3
Biddle, Charles E
3
Business Volunteers for the Arts (Philadelphia, Pa.)
3
California Legislature Senate Select Committee
3
Historical Society of Pennsylvania
3
Labolito, Joseph V.
3
Mural Arts Program (Philadelphia, Pa.)
3
Newcomen Society of the United States
3
Philadelphia (Pa.). Office of the Managing Director
3
Philadelphia Chamber of Commerce
3
Philadelphia Chinatown Development Corporation
3
United States. Bureau of the Census
3
University of California, Los Angeles. Center for Afro-American Studies
3
Weiss, N.
3
American Publishing and Engraving Co
2
Arts & Business Council of the Greater Philadelphia Chamber of Commerce
2
Association of centenary firms and corporations of the United States
2
Benham and Perkinpine
2
Chamber of Commerce of Greater Philadelphia Research Dept
2
Clark and Erskine Seminary (Abbeville, S.C.) Euphemian Society
2
Crittenden's Philadelphia Commercial College
2
Crittenden, S. H.
2
Curtis Publishing Company
2
Delaware County Real Estate Board (Pa.)
2
Dougherty, Matthew W
2
Eight Generation
2
Fisher
2
Flenniken, Warren
2
Freedley, Edwin T. 1827-1904
2
Frese, Joseph R., 1914-
2
Gheen and Morgan (Firm)
2
Greater Philadelphia Tourism Marketing Corporation (Philadelphia, Pa.)
2
Harner, Charles E.
2
Hendricks, John M
2
Historic Antique Row Business Association
2
Howes, William E
2
John Wanamaker (Firm : Philadelphia)
2
John Wanamaker (Firm)
2
Joint Center for Political and Economic Studies (U.S.)
2
Joyce, Donald F.
2
Judd, Jacob, 1929-
2
Library of Congress. Legislative Reference Service
2
Light, Ivan Hubert
2
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