The minimum requirement of professional capacity in the case of capt ains, navigating and engineer officers in charge of watches on board me rchant ships :    fourth item on the agenda. 

 - Geneva :    International Labour Office,    1929. 
 - 2 p. l., 107 p. ;    24 cm. 
<br/><br/>  At head of title: First discussion. International Labour Conference. Thirteenth session. Geneva, 1929. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ships -- Manning.<br/> Maritime law.