La autonomía colonial artículo publicado por el periódico La Tribuna de Madrid el 8 de febrero de 1883 /

Also available in digital form on the Library of Congress Web site.
Microfilm. Washington, D.C. : Library of Congress Preservation Microfilming Program : Available from Library of Congress Photoduplication Service, 1994. On 1 microfilm reel with other items ; 35 mm. (Puerto Rican memorial collection, 1846-1907 ; pamphlet no. 368. Puerto Rican politics) Master microform held by: DLC.