http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Informe del Comisionado del Interior al honorable Gobernador de Puerto Rico, ano fiscal 1931-32
Annual report on operations and finances of Puerto Rico public works projects. Reports include detailed data on construction and maintenance of bridges, roads, buildings, and other works, by project; and telegraph operations, electric power generation and use, shipping tonnage, and harbor mooring and storage charges, by town.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.