| #201 | Geologiâ i geofizika. -- Novosibirsk : Nauka, 1960-. -- ISSN 0016-7886 |
| #202 | Geologica Balcanica. -- Sofia : Bulgarian Academy of Sciences, 1975-. -- ISSN 0324-0894 |
| #203 | Geologica Carpathica. -- Bratislava : Slovak Academic Press, 1991-. -- ISSN 1335-0552 print. -- ISSN 1336-8052 online |
| #204 | Geologica Carpathica Clays. -- Bratislava : Slovak Academic Press, 1992-1998. -- ISSN 1210-2695 |
| #205 | Geologica Hungarica, Series palaeontologica. -- Budapest : Inst. regii Hungarici geologici, 1928-. -- ISSN 0374-1893 |
| #206 | Geological abstracts. -- Amsterdam : Elsevier Science, 1989-. -- ISSN 0954-0512 |
| #207 | Geological journal. -- Liverpool : Liverpool Geological Society Manchester Geological Association, 1951-. -- ISSN 0072-1050 print. -- ISSN 1099-1034 online |
| #208 | Geological magazine. -- Cambridge : Cambridge University Press, 1864-. -- ISSN 0016-7568 print. -- ISSN 1469-5081 online |
| #209 | Geological newsletter. -- Haarlem : Geological Society of India, 1963-1978. -- ISSN 0047-1267 |
| #210 | Geological quarterly. -- Warszawa : Państwowy Instytut Geologiczny, 2000-. -- ISSN 1641-7291 |