Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Geperforeerde baksteen-nl#Sense
Teglsten-da#Sense
Hochlochziegel-de#Sense
Mangehulssten-da#Sense
Brique perforée-fr#Sense
Vertically perforated brick-en#Sense