Business History Review 1955 29(2): 189–196. ISSN 0007-6805 in Jstor; Ben H. Procter, "Reagan, John Henninger," Handbook of Texas Online (2008) ↑ William S. Osborn, "Curtains for Jim Crow: Law, Race, and the Texas Railroads," Southwestern Historical Quarterly 2002 105(3): 392–427. ISSN 0038-478X 1 2 Childs, (1990) ↑ Who has jurisdiction over natural gas rates (Texas Natural Gas Rates Frequently Asked Questions), RRC, Railroad Commission of Texas, retrieved 2013-03-31[permanent dead link] ↑ George N. Green, "Thompson, Ernest Othmer," The Handbook of Texas Online (2008) ↑ Childs, (2005) ↑ Saporito, Susan (October 17, 2014).