| #311 | Physics world. -- Bristol : Institute of Physics, 1988-. -- ISSN 0953-8585 |
| #312 | Physikalische Blätter. -- : VCH Verlagsgesellschaft, 1947-2001. -- ISSN 0031-9279 print. -- ISSN 1521-3722 online |
| #313 | Pilot. -- Claygate : Lernhurst Publications, 1967-. -- ISSN 0300-1695 |
| #314 | Pokroky matematiky, fyziky a astronomie. -- Praha : Jednota českých matematiků a fyziků, 1956-. -- ISSN 0032-2423 |
| #315 | Powder diffraction : an international journal of materials characterization. -- Newtown Square : International Centre for Diffraction Data, 1986-. -- ISSN 0885-7156 print. -- ISSN 1945-7413 online |
| #316 | Powder handling & processing. -- Clausthal-Zellerfeld : Trans Tech, 1989-. -- ISSN 0934-7348 |
| #317 | Powder metallurgy progress. -- Košice : Institute of Materials Research, Slovak Academy of Sciences, 2001-. -- ISSN 1335-8987 |
| #318 | Power engineering. -- Tulsa : PenWell, 1950-. -- ISSN 0032-5961 |
| #319 | Power farming. -- London : Agricultural Press, 1965-1992. -- ISSN 0032-5988 |
| #320 | Prace Instytutu Odlewnictwa. -- Kraków : Instytut odlewnictwa, 1952-1998. -- ISSN 0450-8955 |