Heugel, 1925.
Verlag
Paris: Heugel, 1925. Plate H. 28,607–28,618. Volume 1
(Externe Ressource)
Huegel, 1925.
Verlag
Paris: Huegel, 1925. Plate H. 28,561–28,572. Volume 2
(Externe Ressource)
Heugel, 1927.
Verlag
Paris: Heugel, 1927. Plate H. 29,459–29,470. Volume 3
(Externe Ressource)
Heugel, 1925.
Verlag
Paris: Heugel, 1925. Plate H. 28,607–28,618. Huegel, 1925.
Verlag
Paris: Huegel, 1925. Plate H. 28,561–28,572. Heugel, 1927.
Verlag
Paris: Heugel, 1927. Plate H. 29,459–29,470. 
