O'Day, John Christopher. Oil Wells in the Woods. Deposit, NY: Oquaga Press, 1905. BibTeXEndNote X3 XMLEndNote 7 XMLRIS
Oliver, Charles H., and Harold S. [Saylor] DeLay. "646" and the Troubleman. Chicago: Rand McNally & Co, 1916. BibTeXEndNote X3 XMLEndNote 7 XMLRIS