| #1091 | Polish journal of agronomy. -- Puławy : IUNG, 2009-. -- ISSN 2081-2787 |
| #1092 | Polish journal of ecology. -- Łomianski : Polish Academy of Sciences. Institute of Ecology, 1998-. -- ISSN 1505-2249 |
| #1093 | Polish journal of food and nutrition sciences. -- Olsztyn : Division of Food Science, Centre for Agrotechnology and Veterinary Sciences, Polish Academy of Sciences, 1992-. -- ISSN 1230-0322 |
| #1094 | Polish Journal of Natural Sciences. -- Olsztyn : University of Warmia and Mazury, 2002-. -- ISSN 1643-9953 |
| #1095 | Polish Journal of Natural Sciences, Supplement. -- Olsztyn : Uniwersytet Warmińsko-Mazurski w Olsztynie, 2003-. -- ISSN 1731-3147 |
| #1096 | Polish Journal of Soil Science. -- Lublin : Polish Academy of Sciences, 1968-. -- ISSN 0079-2985 |
| #1097 | Polish Journal of Veterinary Sciences. -- Olsztyn : Polish Academy of Sciences, 1998-. -- ISSN 1505-1773 |
| #1098 | Politická ekonomie. -- Praha : Vysoká škola ekonomická, 1948-. -- ISSN 0032-3233 |
| #1099 | Poljoprivreda i šumarstvo. -- Podgorica : Biotehnički institut, 1955-. -- ISSN 0554-5579 |
| #1100 | Poľnohospodársky rok. -- Michalovce : Slovenské centrum poľnohospodárskeho výskumu- Ústav agroekológie, 1993-. -- ISSN 1336-4723 |