Author
- Carey, Mathew, 1760-1839 5 results
- Polish American Congress 5 results
- Polish Genealogical Society of America 5 results
- Polish Information Center (New York, N.Y.) 5 results
- American Relief for Poland 4 results
- Polonus Philatelic Society 4 results
- Coleman, Marion Moore, 1900- 3 results
- Gromada, Thaddeus V., 1929- 3 results
- Halecki, Oskar, 1891-1973 3 results
- Kosciuszko Foundation 3 results
- Papiernik, Don, 1937- 3 results
- Polish American Council 3 results
- Polish YMCA 3 results
- Alliance College 2 results
- Beider, Alexander 2 results
- Biddle, Anthony J. Drexel, 1896-1961 2 results
- Burstin, Barbara Stern 2 results
- Chorzempa, Rosemary A., 1951- 2 results
- Commission for Polish Relief 2 results
- Cyran, Frederic B. 2 results
- Filipowicz, Tytus, 1873- 2 results
- Haiman, Mieczysław, 1888-1949 2 results
- Hoskins, Janina W. 2 results
- Instytut Historyczny imienia Generała Sikorskiego 2 results
- Jewish Museum (New York, N.Y.) 2 results
- Kersten, Charles J. 2 results
- Kusielewicz, Eugene 2 results
- Louvet de Couvray, Jean-Baptiste, 1760-1797 2 results
- National Committee for a Free Europe (U.S.). Research and Information Center. Polish Section 2 results
- Obal, Thaddeus J. 2 results
- Osinski, Henry J. 2 results
- Papiernik, Theresa, 1980- 2 results
- Polish American Museum Foundation 2 results
- Polish Genealogical Society 2 results
- Polish Institute of Arts and Sciences in America 2 results
- Polish Labor Group (New York, N.Y.) 2 results
- Polish National Alliance of the United States of North America 2 results
- Polish Research and Information Service (New York, N.Y.) 2 results
- Polski Instytut Współpracy z Zagranicą 2 results
- Rada Polonii Amerykańskiej 2 results
- Revyuk, Emil 2 results
- Super, Paul 2 results
- United States. Congress. House. Committee on Un-American Activities 2 results
- United Ukrainian Organizations of the United States 2 results
- Wiewiora, Joseph 2 results
- Wilson, Robert H. 2 results
- Wytrwal, Joseph Anthony, 1924- 2 results
- YIVO Institute for Jewish Research 2 results
- Abramowicz, Alfred L. 1 results
- Aleksandrowicz-Pędich, Lucyna, 1 results more…