Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Pflugsohle-de#Sense
Planta del arado-es#Sense
Fond de raie du labour-fr#Sense
Suola d'aratro-it#Sense
Plowpan-en#Sense
Plowsole-en#Sense
Semelle de labour-fr#Sense
Sep de charrue-fr#Sense