| #301 | Geology of ore deposits. -- Moscow : Russian Academy of Sciences, 1993-. -- ISSN 1075-7015 |
| #302 | Geomagnetism and aeronomy. -- : American Geophysical Union, 1961-. -- ISSN 0016-7932 print. -- ISSN 1555-645X online |
| #303 | Georgia journal of science. -- Atlanta : Georgia Academy of Science, 1977-. -- ISSN 0147-9369 |
| #304 | Geosciences Journal. -- Seoul : Geological Society of Korea, 1997-. -- ISSN 1226-4806 print. -- ISSN 1598-7477 online |
| #305 | Geostandards and geoanalytical research. -- : Blackwell Publishing, 1977-. -- ISSN 1639-4488 |
| #306 | Geotectonics. -- : American Geophysical Union, 1967-1996. -- ISSN 0016-8521 print. -- ISSN 1556-1976 online |
| #307 | Glas - Srpska akademija nauka i umetnosti. -- Beograd : Srpska akademija nauka i umetnosti, 1961-. -- ISSN 0352-6720 |
| #308 | Glasgow Naturalist. -- Glasgow : Andersonian Naturalists of Glasgow, 1909-. -- ISSN 0373-241X |
| #309 | Global Journal of Pure and Applied Sciences. -- Calabar : Bachiudo, 1995-. -- ISSN 1118-0579 |
| #310 | Health and safety guide. -- Geneva : World Health Organization, 1986-. -- ISSN 0259-7568 |