Other
Periodicals
Polish Americans
37
Polish people
27
Societies, etc
20
Political activity
8
World War, 1939-1945
7
Economic conditions
6
Politics and government
6
Civilization
4
Genealogy
4
Postage stamps
4
Topics
4
Foreign relations
3
Heraldry
3
War work
3
Young Men's Christian associations
3
Anti-communist movements
2
Antisemitism
2
Civilian relief
2
History
2
Intellectual life
2
Language and culture
2
Learning
2
Nationalism
2
Posters
2
Propaganda, Anti-communist
2
Services for
2
Stamp collecting
2
Study and teaching
2
Bibliography
1
Catalogs
1
Charitable contributions
1
Foreign countries
1
Library resources
1
Polish American students
1
Polish YMCA
1
Polish students
1
Refugees
1
Serial publications
1
Social conditions
1
Territorial questions
1
War relief
1