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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