Sprachen-Karte der westlichen Kronländer von Oesterreich nach dem Zensus von 1880. Südöstlicher Abschnitt.
E. Held, scanned by <a href="//commons.wikimedia.org/wiki/User:Olahus" title="User:Olahus">User:Olahus</a>, edited by <a href="//commons.wikimedia.org/w/index.php?title=User:Iliriklirik&amp;action=edit&amp;redlink=1" class="new" title="User:Iliriklirik (page does not exist)">User:Iliriklirik</a>
1887
Petermanns Geographische Mitteilungen, cropped from <a href="//commons.wikimedia.org/wiki/File:Slovenia_and_surroundings_(ethnic).jpg" class="mw-redirect" title="File:Slovenia and surroundings (ethnic).jpg">File:Slovenia and surroundings (ethnic).jpg</a>