Topic
Greenland
Iceland
18
Natural history
18
Arctic regions
17
Hydrography
17
Scientific Expeditions
17
Description and travel
13
Ingolf (Ship)
12
Marine biology
12
Discovery and exploration
7
Eskimos
7
Geology
7
Geophysics
7
1674-1743
6
Anderson
6
Eskimo languages
6
Johann
6
1837-1908
5
1869-1870
5
1869-1870)
5
Deutsche Nordpolar-Expedition
5
Geodesy
5
Geomagnetism
5
German
5
Germania (Schooner)
5
Hansa (Schooner)
5
Karl
5
Koldewey
5
Meteorology
5
Shipwreck survival
5
Technical reports
5
Antiquities
4
Biography
4
Crustacea
4
Entomostraca
4
Indian linguistics
4
Inuit
4
1710-1764
3
Böhnisch
3
Friedrich
3
History
3
Missions
3
Moravian Church
3
1529-1595
2
1708-1777
2
1916-1918)
2
Aboriginal
2
Alaska
2
Albrecht von
2
Archduke of Austria
2
more ...