- U.S. Geological Survey Geographic Names Information System: Elrod, Indiana
- "Ripley County". Jim Forte Postal History. Retrieved 1 November 2015.
- Baker, Ronald L. (October 1995). From Needmore to Prosperity: Hoosier Place Names in Folklore and History. Indiana University Press. p. 125. ISBN 978-0-253-32866-3.
...the first postmaster was George W. Elrod.