Derbesy, n.d.[1887].
Verlag
Marseille: Derbesy, n.d.[1887]. Plate D.6. Sonstige Bemerkungen
This file is based on high-resolution images obtained from the source using a method explained on this page. Derbesy, n.d.[1887].
Verlag
Marseille: Derbesy, n.d.[1887]. Plate D.6. Sonstige Bemerkungen
This file is based on high-resolution images obtained from the source using a method explained on this page. 
