Author
(Eugene) Klein Inc. (Philadelphia)
1
A Marca, Reto
1
A. Buch's Sons (Elizabethtown, Pa.)
2
A. F. Merrell & Co. (Philadelphia)
1
A. F. Merrell Co. (Philadelphia)
1
A. W. Straub Co. (Philadelphia)
1
A.B. Farquhar Co., Limited (York, Pa.)
1
A.B. Farquhar Co., Ltd. (York, Pa.)
1
A.F. Merrell & Co. (Philadelphia)
2
A.I. Root Company
1
A.S.W. Rosenbach Fellowship in Bibliography Fund
1
APS Museum Exhibition: "Dr. Franklin, Citizen Scientist"
1
Abadie, Daniel
2
Abbeville Institute
2
Abbot, Henry
1
Abbott, Bryan
1
Abbott, James A. 1963-
1
Abington Library Society
1
Abington Library Society (Jenkintown, Pa
1
Able, Augustus Henry, 1900-
1
Abrash, Barbara,
1
Academic Libraries of Brooklyn
1
Academical and Theological Institution
1
Academy of Natural Sciences of Philadelphia
3
Academy of the New Church (Bryn Athyn, Pa.)
3
Acosta, Oscar Zeta
1
Adam, Lenora
1
Adams, Henry, 1949-
1
Adams, Willi Paul, 1940-
2
Adcock, Lynette
1
Adger, R. M.
1
African Studies Association
1
Afro-American Historical and Cultural Museum (Philadelphia, Pa.)
2
Ahlborn, Richard E.
1
Al-Bayati, Barbara Kuhn
1
Alan Wood Steel Co
3
Albany Select Family School for Young Ladies
1
Albrecht, Otto E. 1899-1984
1
Albright College (Myerstown, Pa.)
1
Alden, Timothy, 1771-1839
1
Alderfer's (Firm)
1
Alfred Bullard (Philadelphia)
1
Alfred Oehmigke's Verlag (Leipzig)
1
Alfred Oehmigke's verlag (Leipzig)
1
Allegheny College (Meadville, Pa.)
3
Allegheny College (Meadville, Pa.). Library
1
Allen, Amberia,
1
Allen, Bob, Colonel
1
Allen, C. G.
2
Allen, James E., Jr., 1911-1971
1
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