Cuarenta años de lucha proletaria
By: por Rafael Alonso Torres.
Contributors: Nogueras Rivera, Nicolás, 1902-
Edition: 1. ed., 1000 ejemplares; editor, Nicolás Nogueras Rivera.
Publisher: Imprenta "Baldrich"
Published: 1939
Place of publication: San Juan, P.R
Language: spa
Number of pages: 377
Subjects: Labor and laboring classes -- Puerto Rico.; Labor unions -- Puerto Rico.