| #121 | Pensée. -- Paris : Editions sociales internationales, 1939-. -- ISSN 0031-4773 |
| #122 | Planning for the natural and built environment. -- Velká Británie : London : Ambit, 1992, 1992-2001. -- ISSN 1367-1189 |
| #123 | Police studies. -- New York : John Jay Press, 1978-. -- ISSN 0141-2949 |
| #124 | Policy sciences. -- Dordrecht : Elsevier Science, 1970-. -- ISSN 0032-2687 print. -- ISSN 1573-0891 online |
| #125 | Polis. -- Moskva : Akademija Nauk SSSR, Institut mezdunarodnogo rabocego dvizen, 1971-1990. -- ISSN 0321-2017 |
| #126 | Polish political science. -- Wrocław : Zakład Narodowy im. Ossolińskich, 1981-1988. -- ISSN 0208-7375 |
| #127 | The Polish sociological bulletin. -- Warszawa : Polskie Towarzystwo Socjologiczne, 1961-1993. -- ISSN 0032-2997 |
| #128 | Polish western affairs. -- Wroclaw, Poznaň : Instytut Zachodni, 1960-1994. -- ISSN 0032-3039 |
| #129 | Political behavior. -- New York : Kluwer Academic Publishers, 1979-. -- ISSN 0190-9320 print. -- ISSN 1573-6687 online |
| #130 | Political science quarterly. -- New York : Academy of Political Science, 1886-. -- ISSN 0032-3195 print. -- ISSN 1538-165X online |