| #2071 | Pacific science. -- Honolulu : University of Hawaii Press, 1947-. -- ISSN 0030-8870 print. -- ISSN 1534-6188 online |
| #2072 | Paedagogica historica. -- Gent : Centrum voor studie van de historische pedagogiek, 1961-. -- ISSN 0030-9230 print. -- ISSN 1477-674X online |
| #2073 | Pakistan journal of scientific and industrial research. -- Karachi : Pakistan Council of Scientific and Industrial Research, 1958-. -- ISSN 0030-9885 print. -- ISSN 2077-0863 online |
| #2074 | Pakistan journal of scientific research. -- Lahore : Pakistan Association for the Advancement of Science, 1949-. -- ISSN 0552-9050 |
| #2075 | Paleo data banks for the improvement of communication in palynology, paleobotany, and related sciences. -- Tucson : University of Arizona, 1975-. -- ISSN 0271-8774 |
| #2076 | Paleontologičeskij sbornik. -- L´vov : Izdatel´stvo L´vovskogo universiteta, 1961-1990. -- ISSN 0131-2634 |
| #2077 | Paleontologičeskij žurnal. -- Moskva : Nauka, 1959-. -- ISSN 0031-031X |
| #2078 | Paleontologija, stratigrafija i litologija. -- Sofia : Blgarskaja Akademia na naukite, 1975-. -- ISSN 0204-7217 |
| #2079 | Palestinskij sbornik. -- Sankt-Peterburg : Izdatel´stvo "Pras-Atra", 1954-1992. -- ISSN 0131-2642 |
| #2080 | Pallas. -- Toulouse : Faculté des lettres, 1952-. -- ISSN 0031-0387 |