| Call Number | Subject |
|---|---|
| GF 1 | Periodicals. Societies. Serials |
| GF 51 | Environmental influences on humans |
| GF 75 | Human influences on the environment |
| GF 101-127 | Settlements |
| - GF 125 | - Cities. Urban geography |
| - GF 127 | - Rural settlements. Rural geography |
| GF 500-900 | By region or country |