| #301 | Painting & wallcovering contractor. -- Falls Church : Painting & Decorating Contractors of America, 1983-. -- ISSN 0735-9713 |
| #302 | Palestinskij sbornik. -- Sankt-Peterburg : Izdatel´stvo "Pras-Atra", 1954-1992. -- ISSN 0131-2642 |
| #303 | Paper, film & foil converter. -- Chicago : Maclean-Hunter Pub. Corp., 1953-. -- ISSN 0031-1138 |
| #304 | Parkett. -- Zürich : Parkett Verlag, 1984-. -- ISSN 0256-0917 |
| #305 | Parnassus. -- New York : College Art Association of America, 1929-1941. -- ISSN 1543-6314 |
| #306 | Performing arts journal. -- New York : Performing Arts Journal Publications, 1976-1997. -- ISSN 0735-8393 |
| #307 | Perspecta. -- New Haven : Schools of Architecture & Design, 1952-. -- ISSN 0079-0958 |
| #308 | Photographic science and technique : PSA technical quarterly. -- Spojené státy americké : Philadelphia : Photographic Society of America, 1954-1957. -- ISSN 0480-4619 |
| #309 | Photography for beginners. -- Bournemouth : Imagine, 2011-2015. -- ISSN 2046-9845 |
| #310 | Playback : Canada's Broadcast and Production Journal. -- Toronto : Brunico Communications, 1986-. -- ISSN 0836-2114 |