By Williams, Hugh J..
Chicago, [sn] 1950

By Brignoni, Yanina.
[s.l. sn.],1c1981. .
53 p.

By Ibarra de Victoria, María..
Cuidad Trujillo, R.D. [ sn 1949]. .
153[4]p.

By León Morales, César Augusto de.
Guatemala : sn 1986 .
14 p.

By Debien Acosta, Arelis..
San Juan, P.R. sn 1998

By Fitzpatrick, Mario..
[Sn. sl.] 2000 .
95 p. , Includes bibliographical references (p. 89-90). 28 cm..

By Rodríguez Santiago, Roberto Javier, | Rodríguez, Roberto Javier.
[ sl sn .
22p. , Cover title. 21cm.

By Rivera Torres, Sergio..
[ sl sn .
35p. 21cm.

By Ramos Antonmattei, Mario.
Yauco, Puerto Rico Sn. 2007 .
136 p. 21 cm..