^ 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. ISBN0-9698161-5-4. {{cite book}}: Invalid |ref=harv (help)
^ abDuncan, Royal; Will, Gary (2000). "Mexico: EMLL NWA World Welterweight Title [Lutteroth]". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present. Waterloo, ON: Archeus Communications. p. 390. ISBN0-9698161-5-4. {{cite book}}: Invalid |ref=harv (help)
^ 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. ISBN0-9698161-5-4. {{cite book}}: Invalid |ref=harv (help)
^ abDuncan, 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. ISBN0-9698161-5-4. {{cite book}}: Invalid |ref=harv (help)
^ abcdDuncan, 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. ISBN0-9698161-5-4. {{cite book}}: Invalid |ref=harv (help)
^ abDuncan, 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. ISBN0-9698161-5-4. {{cite book}}: Invalid |ref=harv (help)
^ abDuncan, Royal; Will, Gary (2000). ""United States: 19th century & widely defended titles – NWA, WWF, AWA, IWA, ECW, NWA: NWA World Heavyweight Title"". Wrestling title histories: professional wrestling champions around the world from the 19th century to the present. Waterloo, ON: Archeus Communications. p. 15. ISBN0-9698161-5-4. {{cite book}}: Invalid |ref=harv (help)