^"Alice Pearce's Nuptials", The New York Times, May 23, 1948, p. 65.
^"John R. Rox" [sic], The New York Times, August 6, 1957, p. 26.
^"John J. Rox, Song Writer", The Washington Post, August 8, 1957, p. B-2.
^"John Jefferson Rox" in Notable Names in the American Theatre. James T. White & Co., 1976. ISBN0-88371-018-8.
^Renewal registration RE0000084409, February 23, 1981, of "I Want a Hippopotamus for Christmas", by John Jefferson Rox, U.S. Copyright Office database on-line.
^John J. Rox in: National Archives and Records Administration. U.S. World War II Army Enlistment Records, 1938–1946 [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2005.
^Whitburn, Joel (2004). Christmas in the Charts (1920–2004). Wisconsin: Record Research Inc. p. 53. ISBN978-0-89820-161-1.