P 316 Sociology, general
P 5 Natural sciences. History and philosophy of the natural sciences
P 502/504 Environmental science. Environmental questions. Sustainable development
P 55 Geosciences. Geology. Regional geology. Applied geology and geophysics
P 551.5 Meteorology. Climatology
P 556 Hydrosphere. Hydrology. Water resources. Limnology
P 56 Paleontology
P 57 Biological sciences, general
P 58 Botany
P 581.9E Geographic botany. Europe
P 581.9M Geographic botany. Rest of the world
P 59 Zoology. Geographic zoology
P 624 Civil engineering. Mechanics of structures. Ice and snow. Offshore. Water resources engineering
P 630 Forestry. Agriculture. Horticulture. Soil science. Plant protection
P 636 Animal husbandry. Fur animals. Hunting. Fishing. Fish breeding
P 662 Fuels. Compustion. Explosives
P 9:004 Geoinformatics
P 91(036) Travel guides
P 910 General geography
P 910.4 Expeditions. Travel accounts
P 911.2 Physical geography
P 911.3 Human geography. Cultural geography. Social geography
P 911.3:32 Geopolitics
P 911.3:33 Economic geography
P 911.4 Travel. Tourism
P 911.9 Planning geography
P 913 Regional geography
P 914 Europe. European Union
P 914.80 Finland
P 915 Asia
P 916 Africa
P 917/918 America
P 919 Other countries
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