| Call Number Range. Subject | Collection Level* |
| G1-922 Geography (General) | 3 |
| G65-69 Geographers | 3 |
| G70-74 Philosophy, Methodology, GIS | 3 |
| G72-74 Geography education | 3, Share also with Education |
| G80-99 History of geography | 3 |
| G100.5-108.5 Gazetteers, geographic names and terms | 3-4, depends on world areas |
| G141 Historical geography | 3 |
| G149-180 Travel. Voyages and travels (General) | 2-3 |
| G154.9-155.8 Travel and state. Tourism | 2, for Tourism see Travel |
| G200-503 History of discoveries, explorations, voyages and travels | 2 |
| G521-539 Adventures, shipwrecks, buried treasure, etc. | 2 |
| G540-550 Seafaring life, ocean travel, etc. | 1 |
| G575-890 Arctic and Antarctic regions | 2-3 |
| G905-910 Tropics (General) | 2 |
| G912-922 Northern and Southern Hemispheres | 2 |
| GA1-1776 Mathematical geography. Cartography | 3-4 |
| G1000-9999 | See Maps & Geospatial Data |
|
GB3-5030 Physical geography |
|
|
GB400-649 Geomorphology. Landforms. Terrain |
3 |
|
GB651-2998 Hydrology. Water |
3 |
|
GC Oceanography |
2 |
| GE Environmental Geography | See Environmental Studies |
| GF Human Geography |
*RLG Conspectus levels: 0) Not collected 1)Basic layperson 2)Undergraduate 3)Research 4)Comprehensive