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Subject
- Voyages and travels[remove]62
- Authors28
- Authors, German26
- Families16
- Birds15
- Mammals15
- Frontier and pioneer life14
- Scientific expeditions14
- Authors, German--Homes and haunts13
- Biology--Fieldwork11
- Seel, Else, 1894-19749
- Mountains6
- Zoological surveys6
- History5
- Ships5
- Lakes4
- Landscapes4
- Travel photography4
- Cities and towns3
- Dogsledding3