«White nationalist group urges Iowans to vote Trump». CNN. 11 de enero de 2016. Consultado el 8 de febrero de 2016. «In the 50-second robocall, Johnson, along with Christian talk show host Ronald Tan and white supremacist magazine "American Renaissance" founder Jared Taylor, urges listeners to support Trump in the Iowa caucuses».
Tucker, William H. (2007). The funding of scientific racism: Wickliffe Draper and the Pioneer Fund. University of Illinois Press. ISBN978-0-252-07463-9. Resumen divulgativo (26 July 2013).