Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Zwarte rook-nl#Sense
Black smoke-en#Sense
Καπναιθάλη-el#Sense
Fumo negro-pt#Sense
Fumo nero-it#Sense
FN-it#Sense
Humo negro-es#Sense
Fumée noire-fr#Sense
Sortrøg-da#Sense