Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Spicatto della volta-it#Sense
Arch springing line impost-en#Sense
Nascença da abóbada-pt#Sense
Kämpfer des Gewölbes-de#Sense
Springing of arch-en#Sense
Origine della volta-it#Sense
Naissance de voûte-fr#Sense
Arranque de bóveda-es#Sense