| #371 | Palaeontologia polonica. -- Warszawa : Polska Akademia Nauk * Instytut Paleobiologii, 1929-. -- ISSN 0078-8562 |
| #372 | Paleo data banks for the improvement of communication in palynology, paleobotany, and related sciences. -- Tucson : University of Arizona, 1975-. -- ISSN 0271-8774 |
| #373 | Paleobiology. -- Lawrence : Allen, 1975-. -- ISSN 0094-8373 print. -- ISSN 1938-5331 online |
| #374 | Paleontologičeskij sbornik. -- L´vov : Izdatel´stvo L´vovskogo universiteta, 1961-1990. -- ISSN 0131-2634 |
| #375 | Paleontologičeskij žurnal. -- Moskva : Nauka, 1959-. -- ISSN 0031-031X |
| #376 | Paleontologija, stratigrafija i litologija. -- Sofia : Blgarskaja Akademia na naukite, 1975-. -- ISSN 0204-7217 |
| #377 | Palynology. -- New York : Taylor & Francis, 1977-. -- ISSN 0191-6122 print. -- ISSN 1558-9188 online |
| #378 | Petroleum economist. -- London : Petroleum Economist, 1974-. -- ISSN 0306-395X |
| #379 | Petrologia. -- Moskva : Nauka, 1993-. -- ISSN 0869-5903 |
| #380 | Pigment & resin technology. -- Bingley : Emerald, 1972-. -- ISSN 0369-9420 print. -- ISSN 1758-6941 online |