http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Catalogue of described Diptera of North America
Each volume includes introductory section with general information on Smithsonian Institution document series and contents listing of volume. This 3-6 pages section precedes Article 1 in each volume.
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.