Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Underniveau-da#Sense
Sottolivello-it#Sense
Sous-niveau-fr#Sense
Υποεπίπεδο-el#Sense
Subniveau-nl#Sense
Sub level-en#Sense
Subnível-pt#Sense