| #5681 | Postępy fizyki. -- Warszawa : Dzia Wydawnictw Instytutu Fizyki PAN, 1949-. -- ISSN 0032-5430 |
| #5682 | Poštovní věstník. -- Praha : Český telekomunikační úřad, 1993-. -- ISSN 1211-2704 |
| #5683 | Povrchové úpravy. -- Praha : Press Agency, 1961-. -- ISSN 0551-7354 |
| #5684 | Powder metallurgy. -- London : Maney Publishing, 1958-. -- ISSN 0032-5899 print. -- ISSN 1743-2901 online |
| #5685 | Powder metallurgy international. -- Freiburg : Schmid, 1969-1993. -- ISSN 0048-5012 |
| #5686 | Powder metallurgy progress. -- Košice : Institute of Materials Research, Slovak Academy of Sciences, 2001-. -- ISSN 1335-8987 |
| #5687 | Power : the magazine of power-generation technology. -- New York : Hill, 1911-. -- ISSN 0032-5929 print. -- ISSN 1936-7791 online |
| #5688 | Power electronics technology for engineers, designers and integrators. -- Overland Park : Primedia Business Magazines & Media, 2001-. -- ISSN 1540-2800 |
| #5689 | Power engineer. -- Stevenage : Institution of Electrical Engineers, 2003-. -- ISSN 1479-8344 |
| #5690 | Power engineering. -- Tulsa : PenWell, 1950-. -- ISSN 0032-5961 |