Materials contain municipal, state, federal, Native American, and international gaming legislation, regulations, and legal files collected by Gary W. Royer in his role as a Certified Public Accountant (CPA) for the Nevada Gaming Control Board and gaming consultant and President of Casino Control Corporation (1950-2009). The series is comprised primarily of Nevada Gaming Control Board and Nevada Gaming Commission rules, regulations, and reports. Also included are regulations, reports, and handbooks about gaming in other US states, particularly New Jersey and Colorado. This series also includes Native American gaming compacts; regulations, legislation, and legal materials about the regulation of gaming at the US federal level; and essays, legislation, and reports about international gaming regulation.

Materials contain brochures, booklets, informational packets, catalogs, company profiles, video recordings, machine motherboard schematics, operator manuals, and advertisements (1967-2000) produced by casino industry vendors and collected by Gary W. Royer. The materials are primarily comprised of data about gaming suppliers, manufacturers, and distributors that include company profiles, categorization of business type, notes, and records of owners and key employees.

Materials contain subject files, publications, newspaper articles, conference materials, and seminar coursebooks (1960-2008) collected by Gary W. Royer. The subject files are primarily comprised of brochures, video recordings, articles, and advertisements about the gaming industry. The publications include nationally circulating gaming newsletters, as well as booklets, essays, and magazines about the US gaming industry. The conference materials are primarily comprised of brochures, information packets, and copies of presentations from gaming conferences. Also included are seminar course books and video recordings produced by the University of Nevada, Las Vegas International Gaming Institute (IGI).