http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
xxxv, 252 pages : illustrations, maps, portraits ; 26 cm.
by Samuel Eliot Morison and Mauricio Obregon. Photos. by David L. Crofoot, Cristina Martinez-Irujo de Obregon, members of the Harvard Columbus Expedition, and other friends.