1. The Ku Klux Klan [1921]
- Hoover Library : Stacks : HS2330 .K63 D45
2. Shirts! : a survey of the new "Shirt" organizations in the United States seeking a Fascist dictatorship [1934]
- Hoover Library : Vault : E743.5 .H722 (V)
3. Who's un-American? : an answer to the "patriots." [1937]
- Hoover Library : Stacks : JC599 .U5 W56 1937
4. The persecution of Jehovah's witnesses; the record of violence against a religious organization unparalleled in America since the attacks on the Mormons [1941]
- Hoover Library : Stacks : BX8525.7 .A512
5. Jehovah's witnesses and the war. [1943]
- Hoover Library : Stacks : BX8525.8 .A512
6. A report on the treatment of conscientious objectors in world war II; conscience and the war. [1943]
- Hoover Library : Stacks : UB342 .U5 A612
7. Report on human rights in El Salvador [1982]
- Hoover Library : Stacks : JC599.S2 R46 1982
8. July 19, 1983, third supplement to the Report on human rights in El Salvador [1983]
- Hoover Library : Stacks : JC599 .S2 R46 1982 SUPPL.3
