Puerto Rico in the Great Depression: History.Archived 2007-11-05 at the Wayback Machine "Puerto Rico: A Guide to the Island of Boriquén." Puerto Rico Reconstruction Administration in Cooperation with the Writer's Program of the Work Projects Administration. 1940. (Federal Writers Project, 1940.) New York: The University Society, Inc. (American Guide Series) p. 36-67. Retrieved 14 July 2012.
maine.edu
spatial.maine.edu
Land Tenure Development in Puerto Rico.Archived 2006-09-13 at the Wayback Machine Cathy Bryan. Department of Spatial Information Science and Engineering. University of Maine. Orono, Maine. ca. 2000. Old Town, Maine: James W. Sewall Company. Page 5. Retrieved 14 July 2012.
Land Tenure Development in Puerto Rico.Archived 2006-09-13 at the Wayback Machine Cathy Bryan. Department of Spatial Information Science and Engineering. University of Maine. Orono, Maine. ca. 2000. Old Town, Maine: James W. Sewall Company. Page 5. Retrieved 14 July 2012.
Del mito al hito: la defensa de los taínos. Héctor L. Sánchez. La Perla del Sur. Ponce, Puerto Rico. 26 December 2012. (Title in printed version: "Del mito al hito: Conozca la brave defensa de los tainos." Year 31. Issue 1517. Page 28.) Retrieved 26 December 2012.
web.archive.org
La Rebelion del Cacique Agüeybaná II. En Marcha: Organo del Comite Central del Partido Comunista Maxista Leninista de Ecuador. Seccion: Testimonio y Dialéctica. 8 May 2006. Page 1. Retrieved 14 July 2011.
Land Tenure Development in Puerto Rico.Archived 2006-09-13 at the Wayback Machine Cathy Bryan. Department of Spatial Information Science and Engineering. University of Maine. Orono, Maine. ca. 2000. Old Town, Maine: James W. Sewall Company. Page 5. Retrieved 14 July 2012.
La Rebelión del Cacique Agüeybaná II. En Marcha: Organo del Comite Central del Partido Comunista Maxista Leninista de Ecuador. Seccion: Testimonio y Dialéctica. 8 May 2006. Page 1. Retrieved 14 July 2011.
Land Tenure Development in Puerto Rico.Archived 2006-09-13 at the Wayback Machine Cathy Bryan. Department of Spatial Information Science and Engineering. University of Maine. Orono, Maine. ca. 2000. Old Town, Maine: James W. Sewall Company. Page 5. Retrieved 14 July 2012.
Puerto Rico in the Great Depression: History.Archived 2007-11-05 at the Wayback Machine "Puerto Rico: A Guide to the Island of Boriquén." Puerto Rico Reconstruction Administration in Cooperation with the Writer's Program of the Work Projects Administration. 1940. (Federal Writers Project, 1940.) New York: The University Society, Inc. (American Guide Series) p. 36-67. Retrieved 14 July 2012.