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."

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

"Edición oficial"

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.

Repertorio del convenio comercial entre España y los Estados Unidos aplicable a las islas de Cuba y Puerto-Rico.

Mode of access: Internet.

Data pertinent to the establishment of minimum wage rates under the Fair labor standards act for newly covered employment in retail trade (including food service employees in retail establishments) in Puerto Rico /

"WH67-300."

Data pertinent to the establishment of minimum wage rates under the Fair labor standards act for employment in other newly covered activities industry in Puerto Rico /

"WH67-381."

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

"WH67-380."

Data pertinent to a review of minimum wage rates established under the Fair labor standards act for newly covered employment in the banking, insurance, and finance industry in Puerto Rico /

Alternate pages blank.

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 the construction industry in Puerto Rico /

"WH67-641."

The restaurant and food service industry in Puerto Rico : data pertinent to the establishment of minimum wage rates under the Fair labor standards act for employment newly covered by the amendments of 1966 /

"WH67-669."