Other
National Slovak Society of the United States of America
17
Ukrainian Workingmen's Association (U.S.)
13
United States. Office of Indian Affairs
13
American Latvian Association in the United States
12
Sodalicja Św. Piotra Klawera
12
Matica slovenská
11
American Philosophical Society
10
American Bibliographical Center
9
Archaeological Institute of America
9
Augustan Society
9
Ceļinieks
9
New England Historic Genealogical Society
9
American Anti-Slavery Society
8
American Antiquarian Society
8
American Association of University Women Philadelphia Branch
8
American Historical Association
8
Committee for a Free Lithuania
8
Free Europe Committee
8
Nebraska Jewish Historical Society
8
New Century Club (Philadelphia, Pa.)
8
Philadelphia Convention & Visitors Bureau
8
Polish National Alliance of the United States of North America
8
Providence Association of Ukrainian Catholics in America
8
Synod for the Norwegian Evangelical Lutheran Church in America
8
American Jewish Historical Society
7
Archives of American Art
7
Armenian General Benevolent Union
7
Friends of Independence National Historical Park
7
Maine Historical Society
7
National Society of the Colonial Dames of America
7
Pennsylvania Historical and Museum Commission
7
Pennsylvania Railroad
7
Vyriausias Lietuvos išlaisvinimo komitetas
7
Cincinnati Historical Society
6
Comisión para la Defensa de los Derechos Humanos en Centroamérica
6
Committee for a Free Latvia
6
Family Genealogical Exchange
6
Federation of Jewish Charities of Philadelphia
6
Figas, Justyn, 1886-1959
6
Harry Houdini Collection (Library of Congress)
6
Hauge's Norwegian Evangelical Lutheran Synod
6
Jacobus, Donald Lines, 1887-1970
6
Library of Congress
6
Lusaka Mission Service
6
Lutheran Church--Missouri Synod
6
Pennsylvania State Library
6
Presbyterian Historical Society
6
Ukrainian National Association
6
United Norwegian Lutheran Church of America
6
Vermont Historical Society
6
more ...