Filmography with films he scored and brief biographical material from the Internet Movie Database.

Obituary from the Latin American Music Center Newsletter at the School of Music of Indiana University. Includes details of his life and works.

Wikipedia entry with teachers and schooling, life, noted works, positions held, and internal links to related people and topics.

Biography, portrait, discography, and works from Mexico's Colegio Nacional.

Brief biography with teachers, major works, and noted conducting positions from the Grove Concise Dictionary of Music entry at WQXR radio.