Author
Armitage, A. 1902-
1
Ashton, E. B.
1
Copernicus Society of America
1
Kesten, Hermann, 1900-
1
Kosciuszko Foundation
1
Mizwa, Stephen P. 1892-1971
1
National Academy of Sciences (U.S.)
1
Polish Arts & Culture Foundation
1
Smithsonian Institution
1
Tomczykowska, Wanda
1
U.S. National Commission for UNESCO
1