^ abDuncan, Royal; Will, Gary (2006). "Mexico: EMLL NWA World Middleweight Title [Lutteroth]". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present (4th ed.). Archeus Communications. pp. 389–390. ISBN 0-9698161-5-4.
^ abDuncan, Royal; Will, Gary (2000). "Mexico: National Heavyweight Title". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present. Waterloo, ON: Archeus Communications. pp. 390–391. ISBN 0-9698161-5-4.
^ abcDuncan, Royal; Will, Gary (2000). "Mexico: National Middleweight Championship". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present. Waterloo, ON: Archeus Communications. p. 392. ISBN 0-9698161-5-4.
^ abDuncan, Royal; Will, Gary (2000). "Mexico: National Lightweight Title [Lutteroth]". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present. Waterloo, ON: Archeus Communications. p. 393. ISBN 0-9698161-5-4.
^ abcDuncan, Royal; Will, Gary (2000). "Mexico: National Welterweight Title [Lutteroth]". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present. Waterloo, ON: Archeus Communications. p. 392. ISBN 0-9698161-5-4.
^ abDuncan, Royal; Will, Gary (2000). "Mexico: National Featherweight Title". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present. Waterloo, ON: Archeus Communications. p. 397. ISBN 0-9698161-5-4.