| #441 | Periodica polytechnica, Mechanical engineering. -- Budapest : Technical University, 1969-. -- ISSN 0324-6051 |
| #442 | Pes-přítel člověka : časopis pro chov a výcvik psů všech plemen. -- Praha : Pražská vydavatelská společnost, 1956-. -- ISSN 0231-5424 |
| #443 | Petroleum chemistry. -- Oxford : Pergamon, 1992-. -- ISSN 0965-5441 |
| #444 | Plant engineer : the journal of the Institution of Plant Engineers. -- London : Batiste, 1964-. -- ISSN 0032-0838 |
| #445 | Plant engineering. -- Newton : Cahners, 1947-. -- ISSN 0032-082X print. -- ISSN 1558-2957 online |
| #446 | Plastic Kits Revue : měsíčník pro leteckou historii, techniku a plastikové modelářství. -- Ostrava : Model Hobby Press, 1991-1994. -- ISSN 1210-1400 |
| #447 | Plastics, additives and compounding. -- Oxford : Elsevier Science, 1999-. -- ISSN 1464-391X print. -- ISSN 1873-2275 online |
| #448 | Plating and surface finishing. -- Orlando : American Electroplaters and Surface Finishers Society, 1975-. -- ISSN 0360-3164 |
| #449 | Polymer composites. -- Brookfield : Society of Plastics Engineers, 1980-. -- ISSN 0272-8397 print. -- ISSN 1548-0569 online |
| #450 | Polymer science. Series D. -- Moscow : Nauka, 2008-. -- ISSN 1995-4212 print. -- ISSN 1995-4220 online |