| #861 | Professional engineering : the magazine of the Institution of Mechanical Engineers. -- London : Institution of Mechanical Engineers, 1988-. -- ISSN 0953-6639 |
| #862 | Progress in materials science. -- Oxford : Pergamon, 1961-. -- ISSN 0079-6425 print. -- ISSN 1873-2208 online |
| #863 | Progress in organic coatings. -- Amsterdam : Elsevier Science, 1972-. -- ISSN 0300-9440 print. -- ISSN 1873-331X online |
| #864 | Progress in surface science. -- Oxford : Pergamon Press, 1971-. -- ISSN 0079-6816 print. -- ISSN 1878-4240 online |
| #865 | Protection of metals : English translation of Zashchita metallov. -- Moscow : Nauka/Interperiodica, 1965-2008. -- ISSN 0033-1732 print. -- ISSN 1608-327X online |
| #866 | Prozesswärme : Fachmedium für Thermoprozesstechnik. -- Essen : Vulkan-Verlag, 2018-. -- ISSN 2567-3742 |
| #867 | Przeglšd Zbozovo-Młynarski. -- Warszawa : Wydawnictwo Czasopism i Książek Technicznych Sigma NOT, 1957-. -- ISSN 0033-2461 |
| #868 | Pump industry analyst. -- Kidlington : Elsevier Advanced Technology, 1995-. -- ISSN 1359-6128 print. -- ISSN 1873-1651 online |
| #869 | Pumpen + Kompressoren. -- Essen : Vulkan-Verlag, 1995-. -- ISSN 0947-0654 |
| #870 | Pumps, Pompes, Pumpen. -- Surrey : Trade & Technical Press, 1965-1968. -- ISSN 0033-426X |