Electrical industries of Porto Rico, 1907.
Contributors: United States. Bureau of the Census
Series: Bulletin / Bureau of the Census -- 99
Publisher: G.P.O.
Published: 1908
Place of publication: Washington
Language: eng
Number of pages: 29
Subjects: Electric utilities -- Puerto Rico -- Statistics.; Telephone companies -- Puerto Rico -- Statistics.
Notes: With: Census of manufactures, 1905. Earnings of wage-earners. -- Washington : G.P.O., 1908.