By Umpierre, Carlos..
Cataño, PR Litografía Metropolitana 1980 .
ix. 207, [1] p. 18 cm..

By Azize, Yamila..
[s.l. s.n.] 1979 .
xi, 105 p. , Originally presented as the author's thesis, University of Puerto Rico, 1974. 18 cm..

By Landrón, Eric..
s.l. s.n. 1978 .
41 p. 23 cm..

By Joglar Cacho, Manuel,.
Manatí ; | Cataño, P.R. : Litografía Metropolitana, 1979 .
97 p.

By Coll y Toste, Cayetano,.
San Juan, P.R. Litografía Metropolitana 1977 .
226 p..

By Coll y Toste, Cayetano,.
Cataño, P.R. Litografía Metropolitana 1977 .
267 p.

By Azize, Yamila..
[s.l. s.n.] 1979 .
xi, 105 p. , Originally presented as the author's thesis, University of Puerto Rico, 1974. 18 cm..

By Cuchí Coll, Isabel.
[S.l. s.n.] 1980 .
ix, 355 p., [14] leaves of plates