http://dewey.info/scheme/edition/e23/ en
2--0 Table 2. Geographic Areas, Historical Periods, Biography
2--1 Areas, regions, places in general; oceans and seas
2--11 Frigid zones 2--12 Temperate zones (Middle latitude zones) 2--13 Torrid zone (Tropics) 2--14 Land and landforms 2--15 Regions by type of vegetation 2--16 Air and water 2--17 Socioeconomic regions 2--18 Other kinds of terrestrial regions 2--19 Space
Dewey Decimal Classification
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