By Comptroller General – Report to the Congress of United States (1981). Puerto Rico’s leaders and populace have long focused on one enduring dilemma, political status. GAO reviewed the broad range of issues likely to confront Puerto Rico and Congress in deliberating the island’s future status. https://www.gao.gov/products/GGD-81-48

https://issuu.com/coleccionpuertorriquena/docs/puerto_rico_s_political_future_1981