| 91 | Geography. Exploration of the Earth and of individual countries |
| Travel. Regional geography |
| 91(03) | Geography. Enciclopedies,dictionaries |
| 91(075) | Geography. Handbooks ,manuals,etc. |
| 91(~) | Universal geography |
| 91(47) | Geography.Soviet Union |
| 91(47…) | Geography.Former Soviet Republics |
| 91(479) | Geography.Caucasus |
| 91(479.2) | Geography.South Caucasus |
| 91(479.22) | Geography.Georgia |
| 91(479.25) | Geography. Armenia |
| 91(4) | Geography.Europe |
| 91(5) | Geography.Asia |
| 91(6) | Geography. Africa |
| 91(7/8) | Geography. South/North America |
| 91(98) | Geography.Arctica |
| 91(99) | Geography.Antarctica |
| 910.4 | Voyages.Travels.Expeditions |
| 910.4(092) | Explorers.Biography |
| 910.4(26) | Seafaring life, ocean travel |
| 910.4(29) | Air travel |
| 910.4(~) | Voyages around the world |
| 910.4(4…) | Voyages and travels. Europe Europe–Description and travel. |
| 910.4(47) | Voyages and travels. Soviet Union Soviet Union–Description and travel. |
| 910.4(479) | Voyages and travels.Caucasus Caucasus–Description and travel. |
| 910.4(47.925) | Voyages and travels.Armenia Armenia–Description and travel. |
| 910.4(5) | Voyages and travels. Asia Asia–Description and travel. |
| 910.4(6) | Voyages and travels. Africa Africa–Description and travel. |
| 910.4(7/8) | Voyages and travels.South/North America |
| 910.4(98/99) | Voyages and travels.Polar regions. Polar regions–Description and travel. |
| 911 | General geography.Theoretical geography. |
| 911.2 | Physical geography |
| 911.3 | Human geography(Anthropogeography).Economic geography. Political georaphy.Cultural geography.Social geography. |
| 911.3:316 | Social geography |
| 911.3:32 | Political georaphy |
| 911.3:33 | Economic geography |
| 911.5 | Typological geography |
| 911.7 | Comparative geography |
| 911.9 | Practical geography |
| 912 | Mathematical geography. Cartography |
| 912.43 | Maps |
| 912.43(093) | Ancient maps |
| 912.43:93/99 | Historical maps |
| 912.44 | World maps, general atlases, etc. |
| 913 | Historical geography. |