http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
342 pages, 7 unnumbered leaves of plates : illustrations, maps (on lining papers), portraits ; 22 cm.
Earl Parker Hanson ; illustrated with photographs by the author.
Account of the author's expedition primarily to study terrestial magnetism in Venezuela and Brazil, under the sponsorship of the Carnegie Institution of Washington. cf. Prologue.