Author
(Eugene) Klein Inc. (Philadelphia)
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
Abbot, Henry
1
Abbott, Bryan
1
Able, Augustus Henry, 1900-
1
Abrash, Barbara,
1
Academical and Theological Institution
1
Academy of Natural Sciences of Philadelphia
1
Adam, Lenora
1
Adcock, Lynette
1
Adger, R. M.
1
African Studies Association
1
Alan Wood Steel Co
3
Albrecht, Otto E. 1899-1984
1
Alfred Bullard (Philadelphia)
1
Allegheny College (Meadville, Pa.)
1
Allen, Bob, Colonel
1
Alman, Miriam
1
Alterman, James M.
1
American Antiquarian Society, Worcester, Mass Library
1
American Art Association
1
American Art Association Anderson Galleries, Inc. (Firm : New York)
1
American Art Association Anderson Galleries, Inc. (New York)
2
American Art Association, Anderson Galleries (Firm)
1
American Baptist Historical Society
1
American Book Prices Current
1
American Council of Learned Societies
1
American Cut Glass Association
1
American Family Records Association
1
American Federation of Arts
1
American Imprint Collection (Library of Congress)
1
American Jewish Historical Society
1
American Jewish Historical Society. Library
1
American Library Association
1
American Life Foundation
1
American Line (Firm)
1
American Philosophical Society
12
American Philosophical Society. Library
1
American Philosophical Society. Library,
1
American Sewing Machine
2
American Society of Arms Collectors
1
American Type Founders Company
1
Americana
1
Ancestry Incorporated
1
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