Author
Kosciuszko League, Detroit
2
Lange, Oskar, 1904-1965
2
Bacon, Gershon C.
1
Boswell, Alexander Bruce, 1884-1962
1
Cohen, Chester G.
1
Hundert, Gershon David, 1946-2023
1
Instytut Historyczny imienia Generała Sikorskiego
1
Lane, Arthur Bliss, 1894-1956
1
Laudyn, Stefanja
1
Laudynowa, Stefanja
1
Lednicki, Wacław, 1891-1967
1
Mikołajczyk, Stanisław, 1901-1966
1
Polish National Alliance of the United States of North America
1
United States. Congress. House. Committee on House Administration
1
United States. Congress. House. Select Committee to Conduct an Investigation and Study of the Facts, Evidence, and Circumstances on the Katyn Forest Massacre
1
Wandycz, D. S.,
1