| #411 | Dziennik Urzędowy Ministerstwa Rolnictwa i Gospodarki Żywnościowej. -- Warszawa : Ministerstwo rolnictwa i gospodarki zywnosciowej, 1981-1985. -- ISSN 0208-9920 |
| #412 | Dzz. Die Zuckerrübenzeitung. -- Würzburg : Verband Süddeutscher Zuckerrübenanbauer, 1995-. -- ISSN 1431-6714 |
| #413 | Ecology. -- Washington : Ecological Society of America, 1920-. -- ISSN 0012-9658 print. -- ISSN 1939-9170 online |
| #414 | Ecology and future : Bulgarian journal of ecology science. -- Sofia : Association Ecological Alliance,, 2002-. -- ISSN 1312-076X |
| #415 | Ecology law quarterly. -- Berkeley : Boalt Hall School of Law, 1971-. -- ISSN 0046-1121 |
| #416 | Economic botany. -- New York : New York Botanical Garden, 1947-. -- ISSN 0013-0001 print. -- ISSN 1874-9364 online |
| #417 | Economic planning in free societies. -- Mount Royal : Academic Publishing, 1991-2000. -- ISSN 1191-3576 |
| #418 | Économie rurale. -- Paris : Société francaise ď économie rurale, 1953-. -- ISSN 0013-0559 print. -- ISSN 2105-2581 online |
| #419 | Ecotoxicology and environmental safety. -- San Diego : Academic Press, 1977-. -- ISSN 0147-6513 print. -- ISSN 1090-2414 online |
| #420 | Egg industry : Watt poultry publication covering egg production, processing and marketing. -- Mount Morris (Illinois) : Watt Publishing, 1987-. -- ISSN 0896-2804 |