http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the British Sub-aqua Club official instructions on underwater swimming techiques
"First published privately under the title Diving manual by the British Sub-aqua Club, 1959, second revised edition, 1960, reprinted (with new title) 1961."--Title page verso.
Includes bibliographical references (pages 212-213) and filmography (pages 213-215).