Un-American Activities Committee source House of Un-American Activities Committee Spartacus Educational - Un-American Activities Committee House of Un-American Activities Committee Un-American Activities Committee House of Un-American Activities Committee Un-American Activities Committee House of Un-American Activities Committee Un-American Activities Committee House of Un-American Activities Committee House Committee on Un-American Activities Un-American Activities Committee HUAC, general info House of Un-American Activities Committee Special Committee on Un-American Activities source Un-American Activities Committee House of Un-American Activities Committee