Heugel, n.d.[1861].
Editore
Paris: Heugel, n.d.[1861]. Plate H.3373. Osservazioni varie
This file is based on high-resolution images obtained from the source using a method explained on this page. Heugel, n.d.[1861].
Editore
Paris: Heugel, n.d.[1861]. Plate H.3373. Osservazioni varie
This file is based on high-resolution images obtained from the source using a method explained on this page. 
