Jiu-Jitsu vs Luta Livre: The Origins Of Vale Tudo

Ricardo Liborio and Murlio Bustamante discuss the battles between jiu-jitsu and luta livre in Rio that gave birth to vale tudo, a precursor to MMA.

Brazilian Mixed Martial Arts – Jiu-Jitsu, Vale tudo

MMA Family Tree

Jiu-Jitsu History - Gracie Swindon

Brazilian Jiu-Jitsu vs Luta Livre (The Rivalry You Need To Know) – Submission Shark

Brazilian Jiu-jitsu (BJJ) Idols

Vale Tudo - Wikipedia

The History And Origins Of Brazilian Jiu-Jitsu

Simon BJJ - Euclides Pereira, Brazilian Jiu Jitsu

New books on early MMA (and BJJ) history (Portuguese now, English soon?)

Hugo Duarte vs Marcelo Behring - Jiu-Jitsu vs Luta Livre anos 80