By Gaya Nuño, Juan Antonio..
San Juan Universidad de Puerto Rico 1966 .
349 p. 25 cm..

By Gaya Nuño, Juan Antonio..
Madrid Espasa-Calpe 1968 .
996 p.

By Gaya Nuño, Juan Antonio..
Madrid Aguilar 1965 .
415 p.

By Gaya Nuño, Juan Antonio..
Madrid Espasa-Calpe 1958 .
371 p., 300pl.

By Gaya Nuño, Juan Antonio..
Madrid Aguilar 1964 .
361 p. , The slides are kept in the Audio-Visual room

By Gaya Nuño, Juan Antonio..
Madrid Taurus 1959 .
364 p. 19 cm..

By Gaya Nuño, Juan Antonio..
Madrid : Plus-ultra, 1946 .
478 p., 1 b. , At head of title: J.A. Gaya Nuño. 20 cm..

By Gaya Nuño, Juan Antonio..
San Juan, P.R. Ediciones Ponce de Léon 1963 .
110 p. 19 cm..

By Justi, Carl.
Madrid Espasa-Calpe 1953 .
917 p. 28 cm..

By Gaya Nuño, Juan Antonio..
Madrid Ediciones Guadarrama 1957 .
150p. 20cm..

By Gaya Nuño, Juan Antonio..
Barcelona Salvat Editores 1988 .
197 p. 8434586959

By Gaya Nuño, Juan Antonio..
Barcelona Ediciones Destino 1970 .
154 p. 24 cm..

By Gaya Nuño, Juan Antonio..
León Everest 1974 .
522 p. 22 cm..
8424127056

By Gaya Nuño, Juan Antonio..
Madrid Editorial Plus-Ultra 1973 .
478 p. 8471270951

By Gaya Nuño, Juan Antonio..
Madrid Editorial Plus-ultra 1968

By Gaya Nuño, Juan Antonio..
España : Centro de Estudios Sorianos (C.S.I.C.) , 1994 .
216 p. 8487196047