| #611 | Grass and forage science. -- Oxford : British Grassland Society, 1979-. -- ISSN 0142-5242 print. -- ISSN 1365-2494 online |
| #612 | Grasslands and forage abstracts. -- Wallingford : CAB International Information Services, 1994-. -- ISSN 1350-9837 |
| #613 | Green book. -- Redhill : Industrial Newspapers, 1971-. -- ISSN 0017-3932 |
| #614 | Grower. -- London : Grower Publications, 1944-2006. -- ISSN 0017-4785 |
| #615 | Helia : international scientific journal of the F.A.O. European cooperative reserach network on sunflower and the Internation... -- Novi Sad : University of Novi Sad, Institute of field and vegetable crops, 1978-. -- ISSN 1018-1806 |
| #616 | Helminthológia. -- Bratislava : SAP, 1959-. -- ISSN 0440-6605 print. -- ISSN 1336-9083 online |
| #617 | Herba Polonica. -- Poznań : Wydawnictwo Instytutu Przemysłu Zielarskiego, 1965-. -- ISSN 0018-0599 |
| #618 | Hereditas. -- Lund : Scandinavian Association of Geneticists, 1920-. -- ISSN 0018-0661 print. -- ISSN 1601-5223 online |
| #619 | Heredity : International journal of genetics. -- Hampshire : Genetics Society, 1947-. -- ISSN 0018-067X print. -- ISSN 1365-2540 online |
| #620 | Hessische floristische Briefe. -- Messel : Naturwissenschaftlicher Verein Darmstadt e.V., 1952-. -- ISSN 0439-0687 |