Fáddáevttohusat
- Research 543 bohtosa
- Discovery and exploration 535 bohtosa
- Scientific expeditions 254 bohtosa
- Geology 232 bohtosa
- Periodicals 198 bohtosa
- International status 148 bohtosa
- Description and travel 138 bohtosa
- History 138 bohtosa
- Congresses 101 bohtosa
- Natural history 99 bohtosa
- Ice 89 bohtosa
- Travel 87 bohtosa
- Antarctic Treaty system 86 bohtosa
- Environmental protection 84 bohtosa
- Explorers 83 bohtosa
- British 79 bohtosa
- Nautical charts 77 bohtosa
- Environmental aspects 71 bohtosa
- Meteorology 68 bohtosa
- Ecology 63 bohtosa
- Climate 53 bohtosa
- Handbooks, manuals, etc 53 bohtosa
- Geophysics 49 bohtosa
- Glaciers 49 bohtosa
- Oceanography 49 bohtosa
- Geology, Stratigraphic 48 bohtosa
- Tourism 48 bohtosa
- Bibliography 47 bohtosa
- Geomagnetism 45 bohtosa
- Zoology 43 bohtosa
- Birds 40 bohtosa
- Sea ice 40 bohtosa
- Earth sciences 39 bohtosa
- Natural resources 38 bohtosa
- Historic sites 37 bohtosa
- Ice sheets 37 bohtosa
- Marine biology 37 bohtosa
- Australian 36 bohtosa
- Environmental impact analysis 36 bohtosa
- Environmental conditions 35 bohtosa
- Equipment and supplies 33 bohtosa
- Observations 33 bohtosa
- Biology 32 bohtosa
- Climatic changes 32 bohtosa
- Law and legislation 32 bohtosa
- Conservation of natural resources 30 bohtosa
- Conservation and restoration 29 bohtosa
- Measurement 29 bohtosa
- Effect of human beings on 26 bohtosa
- Marine resources conservation 26 bohtosa more…