Author
American Association of University Women Philadelphia Branch
8
American Latvian Association in the United States
8
Reformed Church in the United States
8
Archives of American Art
7
Swiss-American Historical Society
7
First Catholic Slovak Union of America
6
Ukrainian Workingmen's Association (U.S.)
6
American Antiquarian Society
5
American Gymnastic Union
5
American Jewish Congress
5
American-Scandinavian Foundation
5
Armenian Assembly of America
5
Armenian General Benevolent Union
5
Balzekas Museum of Lithuanian Culture
5
Collom, William
5
German Reformed Church (U.S.)
5
Order of Ahepa
5
Women's University Club (Philadelphia, Pa.)
5
American Jewish Historical Society
4
American Protestants for Truth about Ireland
4
American Revolution Bicentennial Administration
4
Association for the Advancement of Baltic Studies
4
Association of Writers from Poland
4
Czechoslovak Society of America
4
Don Bosco Institute
4
Egelmann, Charles Frederick
4
Figas, Justyn, 1886-1959
4
Getting, Milan
4
Lutheran Publishing House (Decorah, Iowa)
4
National Slovak Society of the United States of America
4
North American Gymnastic Union. Normal College
4
Norwegian-American Historical Association
4
Orchard Lake Schools
4
Polish American Congress
4
Polish American Council
4
Polish American Historical Association
4
Polish Genealogical Society of America
4
Polish Institute of Arts and Sciences in America
4
Polish National Alliance of the United States of North America
4
Polonus Philatelic Society
4
Russian Brotherhood Organization of the U.S.A.
4
Slov. ev. a.v. jednota v Amerike
4
Society for German-American Studies (U.S.)
4
Stowarzyszenie Filaretów w Ameryce
4
Swedish-American Historical Society
4
Valdris Samband
4
Vesterheim Norwegian-American Museum
4
Viereck, George Sylvester, 1884-1962
4
Afro-American Historical and Genealogical Society (Washington, D.C.)
3
American Council for Polish Culture
3
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