| #2111 | Philosophia naturalis. -- Frankfurt am Main : Klostermann, 1950-. -- ISSN 0031-8027 print. -- ISSN 1439-2607 online |
| #2112 | Philosophica. -- Gent : Rijksuniversiteit, 1970-. -- ISSN 0379-8402 |
| #2113 | Philosophical review. -- Ithaca : Cornell University Press, 1892-. -- ISSN 0031-8108 |
| #2114 | Philosophical Transactions of the Royal Society of London, Series A: Mathematical and Physical Sciences. -- London : Royal Society, 1933-. -- ISSN 0080-4614 |
| #2115 | Philosophical transactions of the Royal Society of London, Series B, Biological sciences. -- London : Royal Society, 1934-1990. -- ISSN 0080-4622 |
| #2116 | Philosophical transactions - Royal Society, Biological Sciences. -- London : Royal Society, 1990-. -- ISSN 0962-8436 |
| #2117 | Philosophical transactions - Royal Society of London, Physical sciences and engineering. -- London : Royal Society, 1990-1996. -- ISSN 0962-8428 |
| #2118 | Philosophische Rundschau. -- Tübingen : Mohr Siebeck, 1953-. -- ISSN 0031-8159 print. -- ISSN 1868-7261 online |
| #2119 | Philosophy. -- London : Macmillan, 1931-. -- ISSN 0031-8191 |
| #2120 | Photochemistry and photobiology. -- Oxford : Blackwell Publishing, 1962-. -- ISSN 0031-8655 print. -- ISSN 1751-1097 online |