Mariano Azuela: ambition and frustration of the middle class (1966)
Criticism and literature (1971)
Spanish American literature in the age of machines (1972)
No more demons (1972)
The two Latin American avant-gardes (1973)
Literary system and social system (1975)
Literature and social class (1976)
The literary system of Gauchesque poetry (1977)
The boom in perspective (1979)
A research into ideology in poetry (1980)
Narrative technification (1981)
Literature in its anthropological framework (1984).