Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Première communication-fr#Sense
Primera comunicación-es#Sense
Πρώτη παρουσίαση στο κοινό-el#Sense
Eerste mededeling-nl#Sense
First communication-en#Sense
Første offentliggørelse-da#Sense
Primeira publicação ao público-pt#Sense
Erste öffentliche Wiedergabe-de#Sense
Prima comunicazione-it#Sense