Hello Allan,
I have search some information but I have not success. Only the information
bellow:
1969 - Godard invited Glauber to play a film with both (as actors !). The name
       of this film is Vent D"Est, with Jean Marie Volonte and Anne Wrazenski.
1969 - Glauber had an important participation in a Seminar of Film and TV in
       Latin American at Sao Paulo State University. This Seminar was promoted
       by UNESCO and Mr. Roberto Rosselini had participate to.
Excuse-se but I do not know about your ask. I think problably you could have
some information with  Dr. Jean Claude Bernadet. He is professor at Cinema
Dept. at Sao Paulo University, his address is:
 
          UNIVERSIDADE DE SAO PAULO
          ESCOLA DE COMUNICACAO E ARTES
          DEPARTAMENTO DE CINEMA,RADIO E TV
          AV. PROF. LUCIO MARTINS RODRIGUES 443
          CAIXA POSTAL 8191
          SAO PAULO  SP   BRAZIL
          CEP 05651-031
 
good look
 
GODOY DE SOUZA, HELIO AUGUSTO
FEDERAL UNIVERSITY OF MATO GROSSO DO SUL
DPT OF COMMUNICATIONS AND ARTS
BRAZIL