Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Head of State-en#Sense
Staatsoberhaupt-de#Sense
Capo di Stato-it#Sense
Chef d'Etat-fr#Sense
Jefe del Estado-es#Sense
Staatschef-de#Sense
Chefe de Estado-pt#Sense