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