Other
Evelina López Antonetty Puerto Rican Research Collection (New York, N.Y.)
1
Hunter College. Centro de Estudios Puertorriqueños
1
Kielman, Chester V.
1
Pennsylvania Historical Survey,
1
Spain. Ministerio de Asuntos Exteriores
1
United States. National Historical Publications Commission
1
United States. Work Projects Administration. Division of Community Service Programs
1
University of Texas at Austin. Archives
1