Edwards, John G. (October 8, 1995). "Alliance-Bally Gaming battle long one". Las Vegas Review-Journal. via Factiva. Retrieved 2012-07-01. (subscription required)
"Advanced Patent Technology Inc". Wall Street Journal. March 25, 1969. ProQuest133419780. (subscription required)
"Advanced Patent slates gambling-activity boost". Wall Street Journal. July 26, 1979. ProQuest134402295. (subscription required)
"SEC is checking sales of stock of Advanced Patent Technology". Wall Street Journal. July 3, 1980. ProQuest134499889. (subscription required)
"Advanced Patent says chairman to resign, place stock in a trust". Wall Street Journal. November 4, 1980. ProQuest134497797. (subscription required)
"Briefs". New York Times. July 12, 1983. ProQuest424672292. (subscription required)
Lancaster, Hal (June 17, 1981). "Feud finally erupts over management of casino company". Wall Street Journal. ProQuest134599265. (subscription required)
"Circus Circus buys casino from Gaming & Technology". Wall Street Journal. February 16, 1984. ProQuest397964596. (subscription required)
"United Gaming Inc. completes sales in plan to shift firm's control". Wall Street Journal. September 23, 1993. ProQuest746865013. (subscription required)