Thanks to members on WrestlingClassics Message Board, Kafaybe Memories Message Board, N.W.A. Official Message Board, and Puroresu Forums for the information. Special thanks to Dan Poutsma, Kriss Knights, and Mitch Hartsey for providing these lists and Tim Hornbaker for the research on pre-1948 National Wrestling Alliance (not Association) as well as his wonderful book on the NWA history.