Author
Communist Party of the United States of America
20
Browder, Earl, 1891-1973
9
Dennis, Eugene, 1905?-
7
Foster, William Z., 1881-1961
7
United States. Congress. House. Committee on Un-American Activities
7
Flynn, Elizabeth Gurley
6
Mazzone, Vito C.
5
United States. Congress. Senate. Committee on the Judiciary
5
Communist Party of the United States of America New York)
3
Communist Party of the United States of America. National Committee
3
Communist Party of the United States of America. National Election Campaign Committee
3
Minor, Robert, 1884-1952
3
North, Joseph
3
American Committee for Protection of Foreign Born
2
Archives of Czechs and Slovaks Abroad
2
Association of Friends of the Polish Village in America
2
Bittelman, Alex, 1890-1982
2
Black, Hugo LaFayette, 1886-1971
2
Citizens Committee for Constitutional Liberties
2
Civil Rights Congress (U.S.)
2
Communist Party of the United States of America (Eastern Pennsylvania) Research and Legislative Committee
2
Davis, Benjamin J. 1903-1964
2
Desrosiers, G.
2
Eisler, Gerhart
2
Fast, Howard, 1914-
2
Foner, Philip Sheldon, 1910-
2
Gannett, Betty
2
Gitlow, Benjamin, 1891-1965
2
Glavnyĭ shtab russkikh fashistov (U.S.)
2
Gramsci, Antonio, 1891-1937
2
Hall, Gus
2
Hoover, J. Edgar 1895-1972
2
Kárník, Jan Jiří, 1888-1966,
2
Kudlik, Sándor,
2
Lenin, Vladimir Ilʹich, 1870-1924
2
Lightfoot, Claude M., 1910-
2
Naison, Mark, 1946-
2
Nelson, Steve, 1903-
2
Perry, Pettis
2
Philadelphia Record
2
Pohoret︠s︡ʹkyĭ, M.
2
Polish Peasant Party
2
Porfirio, Domenico A.
2
Semenko, I︠U︡riĭ, 1920-
2
Sinclair, Upton, 1878-1968,
2
Socialist Labor Party,
2
Teresi, Matteo
2
Thomas, John Parnell, 1895-
2
Ukrainian National Association
2
United States. Congress. House
2
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