Topic
Greenland
Geology
63
Biology
59
Periodicals
56
Public health
56
Iceland
31
Arctic regions
19
Natural history
19
Hydrography
17
Scientific Expeditions
17
Description and travel
15
Plants
13
Fisheries
12
Ingolf (Ship)
12
Marine biology
12
Denmark
11
Eskimos
11
Discovery and exploration
8
Grönland
8
cod
8
Geophysics
7
1674-1743
6
Anderson
6
Eskimo languages
6
Johann
6
Missions
6
1837-1908
5
1869-1870
5
1869-1870)
5
Antarctica
5
Arctic
5
Deutsche Nordpolar-Expedition
5
Geodesy
5
Geomagnetism
5
German
5
Germania (Schooner)
5
Hansa (Schooner)
5
Inuit
5
Karl
5
Koldewey
5
Meteorology
5
Shipwreck survival
5
Technical reports
5
redfish
5
Antiquities
4
Biography
4
Crustacea
4
Entomostraca
4
History
4
Indian linguistics
4
more ...