| #5561 | Petroleum times energy report. -- Swanley : Nexus Business Communications, 1991-1998. -- ISSN 1461-0361 |
| #5562 | Petrologia. -- Moskva : Nauka, 1993-. -- ISSN 0869-5903 |
| #5563 | Pharma + Food : Hygiene - Produktion - Ausrüstung. -- Heidelberg : Hüthig, 1998-. -- ISSN 1434-8942 |
| #5564 | PharmaTec. -- Würzburg : Vogel Business Media, 2008- |
| #5565 | Philips journal of research. -- Eidhoven : Philips Research Laboratories, 1978-. -- ISSN 0165-5817 |
| #5566 | Philips research reports. -- Eindhoven : Philips Gloeilampenfabriken, 1945-1977. -- ISSN 0031-7918 |
| #5567 | Philosophical magazine. -- London : Taylor and Francis, 1798-1977. -- ISSN 0031-8086 |
| #5568 | Philosophical magazine, B. Physics of condensed matter. Electronic, optical and magnetic properties. -- London : Taylor and Francis, 1978-. -- ISSN 0141-8637 |
| #5569 | Philosophical magazine, A. Physics of condensed matter. Defects and mechanical properties. -- London : Taylor and Francis, 1978-. -- ISSN 0141-8610 |
| #5570 | Philosophical Transactions of the Royal Society of London, Series A: Mathematical and Physical Sciences. -- London : Royal Society, 1933-. -- ISSN 0080-4614 |