Topic
Arctic regions
21
Oceanography
17
Fisheries
16
(1853-1856)
11
Arctic Coast
11
Australia
11
California
11
Cape Peninsula
11
China
11
Hong Kong
11
Japan
11
Madeira Islands
11
Plants
11
Russia (Federation)
11
Ryukyu Islands
11
South Africa
11
Sydney (N.S.W.)
11
United States North Pacific Exploring Expedition
11
Arctic regions - Congresses
10
Information Management
10
Northwest Passage
10
Biology
9
Ecology
8
Hecla (Ship)
8
Natural history
8
Sir
8
Management
7
1790-1855
6
British
6
Discovery and exploration
6
Environment
6
International cooperation - Congresses
6
Parry
6
Travel
6
William Edward
6
Arctic regions - Government policy - Congresses
5
Bering Sea
5
Blossom (Ship)
5
North Pacific Ocean
5
Oceania
5
Pacific Ocean
5
Philosophy and Sociology of Sciences
5
[SHS.HISPHILSO]Humanities and Social Sciences/History
5
[SHS.PHIL]Humanities and Social Sciences/Philosophy
5
Chemistry
4
Fury (Ship)
4
Griper (Ship)
4
Scientific Expeditions
4
Sustainable development - Arctic regions - Congresses
4
large marine ecosystems
4
more ...