Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of LC-en#Sense
LC-fr#Sense
Lettres et cartes postales-fr#Sense
LC-de#Sense
LC-nl#Sense
Brieven en briefkaarten-nl#Sense
LC-Sendungen-de#Sense
LC-es#Sense
Letters and postcards-en#Sense