^The number in parentheses after each winner's name is the number of PGA Tour events they had won up to and including that tournament. This information is only shown for PGA Tour members.
^Unofficial money event at the time, but retrospectively counted as an official win.
^Johnson, Sal; Seanor, Dave, eds. (2009). The USA Today Golfers Encyclopedia. New York, New York: Skyhorse Publishing. pp. 656–62.
ISBN978-1-60239-302-8.
^"Casper Winnings Top For Year". Tallahassee Democrat. Tallahassee, Florida. November 29, 1966. p. 15. Retrieved November 10, 2023 – via Newspapers.com.
^Cathey, John (December 21, 1966). "Gay Brewer Set For GGO Action". The Greensboro Record. Greensboro, North Carolina. p. 26 (C4 in paper). Retrieved November 10, 2023 – via Newspapers.com.
^The number in parentheses after each winner's name is the number of PGA Tour events they had won up to and including that tournament. This information is only shown for PGA Tour members.
^Unofficial money event at the time, but retrospectively counted as an official win.
^Johnson, Sal; Seanor, Dave, eds. (2009). The USA Today Golfers Encyclopedia. New York, New York: Skyhorse Publishing. pp. 656–62.
ISBN978-1-60239-302-8.
^"Casper Winnings Top For Year". Tallahassee Democrat. Tallahassee, Florida. November 29, 1966. p. 15. Retrieved November 10, 2023 – via Newspapers.com.
^Cathey, John (December 21, 1966). "Gay Brewer Set For GGO Action". The Greensboro Record. Greensboro, North Carolina. p. 26 (C4 in paper). Retrieved November 10, 2023 – via Newspapers.com.