http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
a survey of the various units engaged in the water transport of people and merchandise
xi, 316 pages, 64 unnumbered pages of plates : illustrations, (some folded) ; 22 cm.
by A.C. Hardy, with a foreword by J.J. Welch.