Topic
1856-1920
2
1861-1930
2
1865-1940
2
1868-1912
2
1872-1928
2
1874-1922
2
1912
1
1918 Russia
1
Africa
1
American Museum of Natural History
3
Amundsen
2
Arctic
1
Asia
1
Aventures
2
Big Game Hunting
1
Bolshevik Revolution
1
Bronx Zoo
1
Carl Akeley
1
Carl Laemmle
1
Children's books
2
Colonialism
2
Cook
2
Cosmopolitan
1
Crocker Land mirage
1
Czechoslovakia
1
Descobriments geogràfics
2
Discoveries in geography
2
Dr. Cook
1
Earth Sciences
1
Eleanora Sears
1
Ernest Henry
2
Expedicions
2
Expedicions científiques
2
Exploradors
2
Explorers
2
Frederick Albert
2
Frederick Cook
2
Fridtjof
2
Fridtjof Nansen
2
General Pershing
1
Geology
1
Great War
1
Greenland
2
History
1
Inuit
3
J.C. Hemment
1
Josephine Peary
2
KGB
1
Kenya
1
Lenin
1
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