Author
- Communist Party of the United States of America 20 results
- Browder, Earl, 1891-1973 9 results
- Dennis, Eugene, 1905?- 7 results
- Foster, William Z., 1881-1961 7 results
- United States. Congress. House. Committee on Un-American Activities 7 results
- Flynn, Elizabeth Gurley 5 results
- United States. Congress. Senate. Committee on the Judiciary 5 results
- Communist Party of the United States of America New York) 3 results
- Communist Party of the United States of America. National Committee 3 results
- Mazzone, Vito C. 3 results
- Minor, Robert, 1884-1952 3 results
- North, Joseph 3 results
- American Committee for Protection of Foreign Born 2 results
- Bittelman, Alex, 1890-1982 2 results
- Civil Rights Congress (U.S.) 2 results
- Communist Party of the United States of America (Eastern Pennsylvania) Research and Legislative Committee 2 results
- Communist Party of the United States of America. National Election Campaign Committee 2 results
- Davis, Benjamin J. (Benjamin Jefferson), 1903-1964 2 results
- Eisler, Gerhart 2 results
- Fast, Howard, 1914- 2 results
- Foner, Philip Sheldon, 1910- 2 results
- Gannett, Betty 2 results
- Gitlow, Benjamin, 1891-1965 2 results
- Hall, Gus 2 results
- Hoover, J. Edgar (John Edgar), 1895-1972 2 results
- Lenin, Vladimir Ilʹich, 1870-1924 2 results
- Lightfoot, Claude M., 1910- 2 results
- Naison, Mark, 1946- 2 results
- Nelson, Steve, 1903- 2 results
- Perry, Pettis 2 results
- Philadelphia Record 2 results
- Thomas, John Parnell, 1895- 2 results
- United States. Congress. House 2 results
- Winston, Henry 2 results
- Yoneda, Karl G., 1906- 2 results
- ACEN (Organization) 1 results
- AFL-CIO. Committee on Political Education 1 results
- Allen, James S. 1 results
- American Legion. National Americanism Commission 1 results
- Amter, Israel, 1881- 1 results
- Andersen & Resner (Firm) 1 results
- Anti-Communist Confederation of Polish Freedom Fighters in U.S.A 1 results
- Archives of Czechs and Slovaks Abroad 1 results
- Bachrach, Marion 1 results
- Bailey, Bernadine, 1901- 1 results
- Balabanoff, Angelica, 1878-1965 1 results
- Barrett, James R., 1950- 1 results
- Beezley, P. C. 1 results
- Bennett, David Harry, 1935- 1 results
- Black, Hugo LaFayette, 1886-1971 1 results more…