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Geographische Gesellschaft in Bremen
6
Verein für die Deutsche Nordpolarfahrt in Bremen
6
Deutsche Nordpolar-Expedition 1869-1870
4
Koldewey, Karl
4
Koldewey, Karl, 1837-1908
4
Heuglin, Theodor von, 1824-1876
2
Petermann, A. (August), 1822-1878
2
Burger, August
1
Falkenhorst, Carl
1
Hayes, Isaac I.
1
Payer, Julius , 1842-1915
1
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Arctic regions
Discovery and exploration
8
Natural history
8
1869-1870
7
Deutsche Nordpolar-Expedition
7
Koldewey
7
1837-1908
6
Geophysics
6
German
6
Karl
6
Scientific Expeditions
6
1869-1870)
4
Geodesy
4
Geology
4
Geomagnetism
4
Germania (Schooner)
4
Greenland
4
Hansa (Schooner)
4
Hydrography
4
Meteorology
4
Shipwreck survival
4
Technical reports
4
Description and travel
2
Deutsche Nordpolar-Expedition (2nd : 1869-1870)
2
Kara Sea
2
North Pole
2
Norway
2
Nova Zemlya (R.S.F.S.R)
2
Nova Zemlya (R.S.F.S.R.)
2
Svalbard
2
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