* [https://archive.org/details/LittleBrothersOfTheBigLaborFakersReportOfASpeechAgainstThe_977 Little brothers of the big labor fakers: report of a speech against the Conference for Progressive Labor Action, made in New Star Casino, New York City on May 10, 1931], 1931 | * [https://archive.org/details/LittleBrothersOfTheBigLaborFakersReportOfASpeechAgainstThe_977 Little brothers of the big labor fakers: report of a speech against the Conference for Progressive Labor Action, made in New Star Casino, New York City on May 10, 1931], 1931 |