“George D. Herron Collection, 1891 - 1973 (bulk 1891-1903)”. Grinnell College Libraries. 2011年9月6日閲覧。 “"George Davis Herron (1862-1925) was a Congregational Church minister and professor of Applied Christianity at Grinnell College from 1893-1899 where he attracted nationwide attention for his radical statements. After his resignation in 1899 and his scandalous divorce, he joined the Socialist Party and married Carrie Rand. They moved to Italy where he worked for peace as an emissary of President Woodrow Wilson."”
1880 U.S. Census - McHenry County, Illinois Genealogical Society
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Biographical note in Wattles, Wallace (September 1996). How to Be a Genius: Or the Science of Being Great. Health Research. pp. 99-100. ISBN0787309370, including "excerpts from a letter to Elizabeth Towne" by Florance Wattles, originally published in Nautilus magazine, 1911
