Author
- Polish National Alliance of the United States of North America 10 results
- Polish Roman Catholic Union of America 7 results
- Sienkiewicz, Henryk, 1846-1916 6 results
- Sodalicja Św. Piotra Klawera 6 results
- Center for Applied Linguistics 4 results
- Haiman, Mieczysław, 1888-1949 4 results
- Maria Cyryla, Sister, 1886-1971 4 results
- Nir, Roman, 1940- 4 results
- Polish Women's Alliance of America 4 results
- Rada Polonii Amerykańskiej 4 results
- St. Hedwig's Church (Philadelphia, Pa.) 4 results
- St. Ladislaus Church (Philadelphia, Pa.) 4 results
- Stanisławski, Jan 4 results
- Union of Polish Women in America 4 results
- Association of Writers from Poland 3 results
- Chociszewski, Józef, 1837-1914 3 results
- Figas, Justyn, 1886-1959 3 results
- Free Europe Committee 3 results
- Jasiński, Walery 3 results
- Kossak, Zofia, 1890-1968 3 results
- Krzesiński, Andrzej J., 1884-1964 3 results
- Kubiak, Hieronim 3 results
- Lusaka Mission Service 3 results
- Mickiewicz, Adam, 1798-1855 3 results
- Pilch, Andrzej 3 results
- Polish American Congress 3 results
- Polish National Catholic Church of America 3 results
- Polska Akademia Nauk. Komitet Badania Polonii Zagranicznej 3 results
- Polski Uniwersytet Ludowy (Philadelphia, Pa.) 3 results
- St. Adalbert's Church (Philadelphia, Pa.) 3 results
- Waldo, Arthur L. (Arthur Leonard), 1896-1985 3 results
- Zielonka, Józef 3 results
- Łukaszkiewicz, Czesław, 1882-1946 3 results
- Alliance College 2 results
- American Relief for Poland 2 results
- Archives of Czechs and Slovaks Abroad 2 results
- Association of the Sons of Poland 2 results
- Babiński, Grzegorz 2 results
- Brożek, Andrzej 2 results
- Buel, Elizabeth C. Barney (Elizabeth Cynthia Barney), 1868-1943 2 results
- Bykovsʹkyĭ, Lev, 1895-1992 2 results
- Chojnacki, Wojciech 2 results
- Church of the Sacred Heart of Jesus (Swedesburg, Pa.) 2 results
- Daughters of the American Revolution 2 results
- Don Bosco Institute 2 results
- Franciscan Missionary Union 2 results
- Frančić, Mirosław 2 results
- Gebert, B. 2 results
- Gromada, Thaddeus V., 1929- 2 results
- Grzeloński, Bogdan 2 results more…