1. Thirty years of change in Puerto Rico;   Publication: New York: Praeger P., 1966 . xxvi, 411 p. Date:1966 Availability: Copies available: Turkeyen Campus [HN 233 .5 B6] (1), Actions: Add to cart No cover image available No cover image available
2. Thirty years of change in Puerto Rico;   Publication: New York: Praeger, 1966 . xxvi, 411 p. Date:1966 Availability: Copies available: Turkeyen Campus Caribbean Research Library [HN 233 .5 B6] (2), Actions: Add to cart No cover image available No cover image available