http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
"In three volumes. Volume I is the basic book of seamanship for officers and men joining the Royal Navy. Volume II contains more tchnical detail and is a general textbook and reference book for ratings seeking advancement and for junior officers. Volume III is intended mainly for officers."
Supersedes its Manual of seamanship, 1951-54.
London, H.M. Stationery Off., 1964-67 [v.2, 1967]