The minimum requirement of professional capacity in the case of captain, navigating and engineer officers in charge of watches on board merchant ships
Subtitle: Fourth item on the agenda.
Contributors: International labor conference (13th :  1929 : Geneva)
Publisher: International labour office
Published: 1929
Place of publication: Geneva
Language: eng
Number of pages: 107
Subjects: Ships -- Manning.; Maritime law.
Notes: At head of title: First discussion. International labour conference. Thirteenth session, Geneva, 1929.