OPEC Modeled On Texas Oil Regulation System, Mose Buchele, WBUR, Dec. 1, 2016 (listen - 3 min)
How The Texas Railroad Commission Was The Blueprint For OPEC, Mose Buchele, KUT, Feb 29, 2016 (listen - 8 min)
Petroleum Politics and the Texas Railroad Commission, By David F. Prindle. A detailed look at the Railroad Commission and the politics of petroleum in Texas. Elma Dill Russell Spencer Foundation Series, January 1981 (Preview in Google Books)