Author
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Commercial Exchange of Philadelphia (Pa.)
1
Conklin, Robert S.
1
Cox, Francis M.
1
Crittenden, J. P.
1
D.C. Humphreys Co
1
Dartmouth College
1
Daughters of the Barons of Runnemede
1
Delaney, J. C.
1
Delaware Legislative Council
1
Delaware Library Association. College and Research Libraries Division
1
Delaware State Dept. of Public Instruction
1
Delaware Valley Archivists Group
1
Delaware and Atlantic Telegraph and Telephone Company
4
Delmarvia Telephone Co
1
Delmarvia Telephone Company
1
Diffenbacher, J. F.
1
Ebsco Subscription Services
1
Elise Willing Balch Collection
1
Emily Swift Balch Collection
1
Engineers Club of Philadelphia
1
Episcopal Church
1
Family Line Publications
1
Filby, P. William, 1911-
1
First Catholic Slovak Union of America,
1
First Presbyterian Church in Germantown (Philadelphia, Pa.)
2
Fish, Grace Stowe
1
Fisk, Margaret
1
Franklin Inn Club (Philadelphia, Pa.)
1
Fraser, S. J.
1
Gale Research Company
2
Gale Research Inc
7
George de Benneville Keim Memorial Collection
1
Georgia. Secretary of State
2
Greater Philadelphia Cultural Alliance
2
Hanford, George
1
Harris, Isaac
2
Hartmann, William C., 1869-
1
Haverford Township Chamber of Commerce
2
Health and Welfare Council (Philadelphia, Pa.)
1
Helffrich, Charles B.
1
Heller, Lydia C.
1
Houser, E. A. 1926-
1
Howe, C. E., Company (Philadelphia)
1
Howell Co.,
1
Ibach, L. J.
2
Ibach, William R.
2
Indiana University of Pennsylvania
1
International Association of Music Libraries Commission of Research Libraries
1
International Association of Universities
1
J.E. Caldwell & Company (Philadelphia, Pa.)
1
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