The Danish Ingolf-Expedition - Wandel, C. F. 1843 -1930 (H. Hagerup, 1899)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1908)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1913)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1915)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1920)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1944)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1903)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1907)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1914)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1917)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1912)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1904)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1916)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1918)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1919)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1921)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1942)

The Danish Ingolf-Expedition - Ingolf (Cruiser) (H. Hagerup, 1902)