http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bibliography of North American conchology previous to year 1860, Part II
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.