Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Πορτοκαλί βιβλίο-el#Sense
Libro arancione-it#Sense
Libro naranja-es#Sense
Oranje Boek-nl#Sense
Orange book-en#Sense
Livro cor de laranja-pt#Sense
Livre orange-fr#Sense
Empfehlungen-de#Sense
Gulbog-da#Sense