Author
Komit Obrony Narodowej w Ameryce
2
Polish American Congress
2
Polish American Congress Convention
2
Związek Obrony Narodowej Im. J. Piłsudskiego
2
National Committee for a Free Europe (U.S.). Research and Information Center. Polish Section
1
National Committee for a Free Europe (U.S.). Research and Publications Service. Polish Section
1
Polish American Congress. Convention
1
Polish YMCA
1
Super, Paul
1