Topic
Arctic regions
Greenland
Hydrography
16
Scientific Expeditions
16
Iceland
12
Ingolf (Ship)
12
Marine biology
12
Natural history
5
1837-1908
4
1869-1870
4
1869-1870)
4
Deutsche Nordpolar-Expedition
4
Discovery and exploration
4
Geodesy
4
Geology
4
Geomagnetism
4
Geophysics
4
German
4
Germania (Schooner)
4
Hansa (Schooner)
4
Karl
4
Koldewey
4
Meteorology
4
Shipwreck survival
4
Technical reports
4
Alaska
1
Aleuts
1
Antarctica
1
Arctic peoples
1
Description and travel
1
Eskimos
1
Ethnologie
1
Eurasien
1
Indianer
1
Indians of North America
1
Natur
1
Nordeuropa
1
Svalbard (Norway)
1
Whaling
1