| #1091 | Prikladnaâ mehanika. -- Kijev : Institut mechaniky NAN Ukrainy, 1965-. -- ISSN 0032-8243 |
| #1092 | Prikladnaja mechanika i techničeskaja fizika. -- Novosibirsk : Izdatelstvo Sibirskogo otdelenija RAN, 1960-. -- ISSN 0869-5032 |
| #1093 | Pro sound news. -- London : Pro Sound News Publications, Spotlight Publications Limited, 1986-. -- ISSN 0269-4735 |
| #1094 | Probabilistic engineering mechanics. -- Barking : Computational Mechanics Publication, 1985-. -- ISSN 0266-8920 print. -- ISSN 1878-4275 online |
| #1095 | Problemy difrakcii rasprostranenija voln. -- Leningrad : Izdatel´stvo Leningradskogo universiteta, 1962-. -- ISSN 0202-2354 |
| #1096 | Problemy fiziki atmosfery. -- Leningrad : Izdatel´stvo Leningradskogo universiteta, 1963-. -- ISSN 0552-2056 |
| #1097 | Problemy matematičeskoj fiziki. -- Leningrad : Izdatelʹstvo Leningradskogo universiteta. -- ISSN 0555-2818 |
| #1098 | Proceedings. -- London : Royal Society, 1990-1996. -- ISSN 0962-8444 |
| #1099 | Proceedings of the Indian Academy of Sciences. Section A, Physical Sciences. -- Indie : Bangalore : Indian Academy of Sciences, 1934-1979. -- ISSN 0370-0089 |
| #1100 | Proceedings of the Indian National Scientific Academy, Pt. A. Physical sciences. -- New Delhi : Indian National Sceince Academy, 1970-. -- ISSN 0370-0046 |