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Subclass G
| G1-922 | Geography (General) | ||||
| G65-69 | Geographers | ||||
| G70-70.6 | Philosophy. Relation to other topics. Methodology | ||||
| G80-99 | History of geography | ||||
| G100.5-108.5 | Toponymy Including gazetteers, geographic names and terms | ||||
| G140 | Great cities of the world | ||||
| G141 | Historical geography | ||||
| G142 | Aerial geography | ||||
| G149-180 | Travel. Voyages and travels (General) | ||||
| G154.9-155.8 | Travel and state. Tourism | ||||
| G200-336 | History of discoveries, explorations, and travel | ||||
| G369-503 | Special voyages and travels | ||||
| G521-539 | Adventures, shipwrecks, buried treasure, etc. | ||||
| G540-550 | Seafaring life, ocean travel, etc. | ||||
| G575-890 | Arctic and Antarctic regions | ||||
| G905-910 | Tropics (General) | ||||
| G912-922 | Northern and Southern Hemispheres | ||||
| G1000-3122 | Atlases | ||||
| G1000-1000.5 | Atlases of the moon, planets, etc. | ||||
| G1001-1046 | World atlases. Atlases of the Earth | ||||
| G1050-1052 | Northern and Southern Hemispheres | ||||
| G1053 | Tropics. Torrid Zone | ||||
| G1054-1055 | Polar regions. Frigid Zone | ||||
| G1059-1061 | Maritime atlases (General) | ||||
| G1100-3102 | By region or country | ||||
| G1100-1779 | America. Western Hemisphere | ||||
| G1105-1692 | North America | ||||
| G1110-1114 | Greenland | ||||
| G1115-(1193) | Canada | ||||
| G1200-1534.24 | United States | ||||
| G1535-1537 | Caribbean area | ||||
| G1540-1542 | Latin America (General) | ||||
| G1545-1549 | Mexico | ||||
| G1550-(1594) | Central America | ||||
| G1600-1692 | West Indies | ||||
| G1700-1779 | South America | ||||
| G1780-2799 | Eastern Hemisphere. Eurasia, Africa, etc. | ||||
| G1791-2196 | Europe | ||||
| G2110-2196 | Former Soviet republics. Union of Soviet Socialist Republics (U.S.S.R.). Russia (Empire) | ||||
| G2200-2444.84 | Asia | ||||
| G2445-2739 | Africa | ||||
| G2740-2799 | Australasia | ||||
| G2800-3064 | Oceans (General) | ||||
| G3100-3102 | Antarctica | ||||
| G3122 | Atlases of imaginary, literary, and mythological regions, etc., A-Z | ||||
| G3160-3171 | Globes | ||||
