| #661 | Ikonomika i upravlenije na selskoto stopanstvo. -- Sofia : Bʺlgaro-anglijsko družestvo PSSA OOD, 1988-. -- ISSN 0205-3845 |
| #662 | Imkerfreund. -- München : BLV, 1946-. -- ISSN 0019-2732 |
| #663 | In practice : journal of veterinary postgraduate clinical study. -- London : British Veterinary Association, 1979-. -- ISSN 0263-841X print. -- ISSN 2042-7689 online |
| #664 | Index veterinarius. -- Farnham Royal : Division of Animal Health and Medical Parasitology, 1933-. -- ISSN 0019-4123 |
| #665 | Indian Farming. -- New Delhi : Indian Council of Agricultural Research, 1940-. -- ISSN 0019-4786 |
| #666 | Indian Horticulture. -- New Delhi : Indian Council of Agricultural Research, 1956-. -- ISSN 0019-4875 |
| #667 | Indian journal of agricultural economics. -- Bombay : Indian Society of Agricultural Economics, 1940-. -- ISSN 0019-5014 |
| #668 | Indian Journal of Agricultural Sciences. -- New Delhi : Indian Council of Agricultural Research, 1931-. -- ISSN 0019-5022 |
| #669 | Indian journal of agronomy. -- Delhi : Indian Society of Agronomy, 1956-. -- ISSN 0537-197X print. -- ISSN 0974-4460 online |
| #670 | Indian Journal of Animal Sciences. -- New Delhi : Indian Council of Agricultural Research, 1969-. -- ISSN 0367-8318 |