Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Pilotage des navires-fr#Sense
Pilotage of vessels-en#Sense
Lodsning af skibe-da#Sense
Loodsen-nl#Sense
Beratung von Schiffen(durch Lotsen)-de#Sense
Pilotaggio delle navi-it#Sense