Wissenschaftliche ergebnisse der Deutschen Zentral-Africa-Expedition, 1907-1908 : unter Führung Adolf Friedrichs, herzogs zu Mecklenburg.

Bd.5 (1914)

The Danish Ingolf-Expedition.

v. 3 pt. 3 (1913)

The Danish Ingolf-Expedition.

v. 4 pt. 1 (1903)

The Danish Ingolf-Expedition.

v. 5 pt. 8 (1919)

The Danish Ingolf-Expedition.

v. 2 pt. 2 (1899)

The Danish Ingolf-Expedition.

v. 2 pt. 5 (1912)

The Danish Ingolf-Expedition.

v. 3 pt. 6 (1920)

The Danish Ingolf-Expedition.

v. 5 pt. 1 (1904)

The Danish Ingolf-Expedition.

v. 6 pt. 3 (1910)

The Danish Ingolf-Expedition.

v. 2 pt. 3 (1900)

The Danish Ingolf-Expedition.

v. 4 pt. 2 (1907)

The Danish Ingolf-Expedition.

v. 6 pt. 2 (1905)

The Danish Ingolf-Expedition.

v. 5 pt. 4 (1913)

The Danish Ingolf-Expedition.

v. 5 pt. 5 (1914)

The Danish Ingolf-Expedition.

v. 5 pt. 6 (1916)