Artists. Espinoza, Ray Exhibits at International House. RMN Ja 14, 1970 p.3$ Artists 70 series exhibited by Red Cross will include work of Bob Ragland, Hermann Ayers, and 1970 Promotes vocational art school for Chicanos called Academia de Arte Mejicano. Post Roundup Ja 10, 1971 p.38 Showing of his art at Turner Art Gallery. Brief biog. Post ire 0 22, 1972 p.37 0