Author
United States. Bureau of the Census
24
Browder, Earl, 1891-1973
5
United States Bureau of the Census
5
Baras, K.
4
Martin, Tony, 1942-
4
Garvey, Marcus, 1887-1940
3
Newton, A. Edward 1864-1940
3
Pasaules brīvo latviešu apvienība
3
Truesdell, Leon E. b. 1880
3
Adler, Cyrus, 1863-1940
2
American Council for Polish Culture
2
Bayer, Osvaldo,
2
Bezza, Bruno,
2
Cinotto, Simone
2
Clark, Leona Fraim
2
Communist Party of the United States of America
2
Cronon, Edmund David
2
Davidson, Sue, 1925-
2
Dziennik związkowy, Chicago
2
Fondazione Giacomo Brodolini
2
Furnas, J. C. 1905-2001
2
Gaidžiūnas, Balys
2
Garland, Hamlin, 1860-1940
2
Garvey, Amy Jacques
2
Goldman, Emma, 1869-1940
2
Grabill, Wilson H.
2
Greenough, Grafton
2
Greville, T. N. E. 1910-
2
Griffing, Robert, 1940-
2
Harrington, Ty
2
Howe, Fanny Quincy, 1870-1933
2
Klāns, Pāvils
2
Lewis, John, 1940-2020,
2
Majewski, Kazimierz J.
2
Marx, Hugo, 1892-
2
Moss, Roger W., 1940-
2
Norway Norske Informasjonjeneste i Amerika
2
Omkar, Swami
2
Pennsylvania Historical and Museum Commission
2
Pinzer, Maimie, 1885-1940
2
Polish Heritage Society of Philadelphia
2
Prunskis, Juozas, 1907-2003,
2
Puskás, Julianna
2
Reynaud, Paul, 1878-1966
2
Rosen, Ruth
2
Solterno, Cornelia R.
2
Stein, Judith, 1940-2017
2
Svyrius, Petras,
2
Šķiliņš, Valdemārs
2
Traxler, Vieri,
2
more ...