Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Cassetta delle lettere-it#Sense
Γραμματοθυρίδα-el#Sense
Briefkasten-de#Sense
Ηλεκτρονική ταχυδρομική θυρίδα-el#Sense
Mail-box-en#Sense
Boîte aux lettres-fr#Sense
Casella postale-it#Sense
BAL-fr#Sense
Postkasse-da#Sense