Reseña del estado social, económico e industrial de la isla de Puerto-Rico al tomar posesión de ella los Estados-Unidos /

Mode of access: Internet.

Report on the statistical system of Puerto Rico to the Director of the Budget, Government of Puerto Rico

Mode of access: Internet.

Informe sobre el censo de Puerto Rico, 1899 /

"Teniente coronel J. P. Sanger, inspector-general, director. Henry Gannett, Walter F. Willcox, peritos en estadística. Traducido del inglés por Frank L. Joannini."

Public education in Puerto Rico,

"Issued by the United States Department of the Interior, Office of Education. Harold L. Ickes is Secretary of the Interior and George F. Zook is Commissioner of Education. Katherine M. Cook ... is chief of the Division of Special Problems."--Verso of t.-p.

The Porto Rico school review. La revista escolar de Puerto Rico.

Mode of access: Internet.

Data pertinent to the establishment of minimum wage rates under the Fair labor standards act for employment newly covered by the amendments of 1966 in educational institutions in Puerto Rico /

"WH67-418."

The Puerto Rican study, 1953-1957; a report on the education and adjustment of Puerto Rican pupils in the public schools of the city of New York

Mode of access: Internet.

Decretos estableciendo el régimen autonómico en las islas de Cuba y Puerto Rico.

"Edición oficial"

Equal educational opportunity for Puerto Rican children : hearings before the Select Committee on Equal Educational Opportunity of the United States Senate, Ninety-first Congress, second session, on equal educational opportunity, Washington, D.C., November 23, 24, and 25, 1970.

Reprint of the 1970 ed. published by the U.S. Govt. Print. Off., Washington, which was issued as pt. 8 of Equal educational opportunity.

La historia documental crítica; exámen de la Historia del puerto de Buenos Aires por D. Eduardo Madero,

"De la Revista del Museo de La Plata, tomo V, pag. 3 y siquientes."

Ceremonia inaugural de las obras del puerto de Montevideo

Mode of access: Internet.

Finances of the Commonwealth of Puerto Rico.

Vol. 4, no. 6 of Census of governments, issued by the U.S. Bureau of the Census, 1973-1975.

Ferrocarril á Puerto Pando; petición para el estudio de una linea central por la quebrada de Palca y Lambate.

Cover title.

Ferrocarril á Puerto Pando /

At head of title: Sociedad Propietarios de Yungas.

Informe presentado á la Compañía sobre el ferro-carril á Puerto Pando /

At head of title: The Bolivian Rubber & General Enterprice [sic] Ltd.