He posted his first poetry book in 1969, which had the title Santidad y guerrería (Holiness and Guerrieri). This was followed by other books that shared the same genre of literature, among which stand Hombre de luz (Man of Light) (1972), La mano universal (The universal hand) (1985) and De ese Dios de las totalidades (This God of wholeness) (1991), among others. In 1981, Betanzos posted his doctoral thesis Experiencias vitales en la obra poética de Miguel Hernández (Life experiences in the poetry of Miguel Hernandez). Between 1980 and 1990, he published that which would be his only novel: Diosdado de lo Alto (novela sobre la Guerra Civil Española, en dos partes, 1980y 1990) (Diosdado on High (novel about the Spanish Civil War, in two parts, 1980 and 1990).
