Author
United States Bureau of the Census
4
United States. Bureau of the Census
4
Alegría, Ricardo E.
2
Blanco, Tomás, 1896-1975
2
Evelina López Antonetty Puerto Rican Research Collection (New York, N.Y.)
2
García, Carmen Sylvia
2
Homar, Lorenzo
2
Solivan de Acosta, Jaime Alberto, 1958-
2
Solterno, Cornelia R.
2
Hall, Rick
1
Hill, Marnesba D.
1
Hunter College. Centro de Estudios Puertorriqueños
1
Maratos, Daniel C., 1935-
1
Pedreira, Antonio S., 1898 or 1899-1939
1
Pedreira, Antonio Salvador, 1899-1939
1
Ribes Tovar, Federico
1
Schleifer, Harold B.,
1
Silén, Juan Angel
1