- Zea, Leopoldo,
Zea, Leopoldo, 1912-2004 (Nombre Personal)
- Zea Aguilar, Leopoldo, 1912-2004
- Aguilar, Leopoldo Zea, 1912-2004
En su obra: El positivismo ... 1943.
Ensayos sobre filosofía en la historia, 1948: portada (Leopoldo Zea)
Filosofía sin más, 2008: portada (Leopoldo Zea) página 142 (d. June 8, 2004)
Leopoldo Zea (1912-2004), 2012: página 9, first sequence (b. June 30, 1912, Mexico City; d. June 4, 2004)
El positivismo en México: nacimiento, apogeo, y decadencia, 1968: solapa (Leopoldo Zea (1912-2004) Leopoldo Zea (1912-2004) directed the Facultad de Filosofía y Letras of Philosophy and Letters of the UNAM from 1966 to 1970, during which time he founded the College of Latin American Studies. He was professor emeritus at UNAM)
