Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Wenteltrap-nl#Sense
Escalier en spirale-fr#Sense
Engelse trap-nl#Sense
Wendeltreppe-de#Sense
Escalier en colimacon-fr#Sense
Escalier en limace-fr#Sense