Other
Chamber of Commerce of Greater Philadelphia
3
Delaware and Atlantic Telegraph and Telephone Company
3
Delaware. Secretary of State
2
Hancock, Harold Bell, 1913-1987
2
Hindes, Ruthanna
2
Penjerdel (Corporation)
2
Association of Professional Genealogists (U.S.)
1
Bell Telephone Company of Philadelphia (Pa.)
1
Delaware Legislative Council
1
Delaware Library Association. College and Research Libraries Division
1
Delaware State Dept. of Public Instruction
1
Elise Willing Balch Collection
1
Emily Swift Balch Collection
1
Free Library of Philadelphia Office of Public Service Support
1
Heinegg, Paul,
1
J.E. Caldwell & Company (Philadelphia, Pa.)
1
Museum Council of Philadelphia and the Delaware Valley Education Committee
1
School District of Philadelphia, Pa. Office of Curriculum Support
1
Seattle Genealogical Society. Middle Atlantic Interest Group
1
Special Libraries Council of Philadelphia and Vicinity
1
Thomas Balch Collection
1
WPHL-TV, Inc. (Philadelphia, Pa.)
1
Whiting, John H. C.
1
William Thomson (Publisher : Baltimore)
1