http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Fossils of the Littleton Formation (Lower Devonian) of New Hampshire
1 volume, 41-50 pages, 7 pages of plates : illustrations ; 29 cm.
Includes bibliographical references (page 50).
Shorter contributions to general geology, 1958
Geological Survey professional paper ; 334-B