| Per Linguam-A Journal of Language Learning | PER LINGUAM-A JOURNAL OF LANGUAGE LEARNING | 0259-2312 |
| Per Musi | PER MUSI | 1517-7599 |
| Perception | PERCEPTION | 0301-0066 |
| Perception & Psychophysics | | |
| Perception and Psychophysics | PERCEPT PSYCHOPHYS | 0031-5117 |
| Perceptual and Motor Skills | PERCEPT MOTOR SKILL | 0031-5125 |
| Percevejo Online | PERCEVEJO ONLINE | 0104-7671 |
| Peregrinus Cracoviensis | | 1425-1922 |
| Peremennye Zvezdy | PEREMENNYE ZVEZDY | 2221-0474 |
| Perfect Beat | PERFECT BEAT | 1038-2909 |
| Perfiles Educativos | PERFILES EDUCATIVOS | 0185-2698 |
| Perfiles Latinoamericanos | PERFILES LATINOAM | 0188-7653 |
| Performance Apparel Markets | PERFORMANCE APPAREL MARKETS | 1477-6456 |
| Performance Enhancement and Health | PERFORMANCE ENHANCEMENT AND HEALTH | 2211-2669 |
| Performance Evaluation | PERFORM EVALUATION | 0166-5316 |
| Performance Evaluation Review | PERFORMANCE EVALUATION REVIEW | 0163-5999 |
| Performance Improvement Quarterly | | 0898-5952 |
| Performance Measurement and Metrics | PERFORMANCE MEASUREMENT AND METRICS | 1467-8047 |
| Performance Research | | 1352-8165 |
| Performing Islam | PERFORMING ISLAM | 2043-1015 |
| Perfusion (Germany) | PERFUSION (GERMANY) | 0935-0020 |
| Perfusion | PERFUSION-UK | 0267-6591 |
| Perichoresis | PERICHORESIS | 1224-984X |
| Periferia | PERIFERIA | 1984-9540 |
| Perifrasis-Revista de Literatura Teoria y Critica | PERIFRASIS-REVISTA DE LITERATURA TEORIA Y CRITICA | 2145-8987 |
| Perinatologia, Neonatologia i Ginekologia | | |
| Perinatology | PERINATOLOGY | 0972-2408 |
| Perinola-Revista de Investigacion Quevediana | PERINOLA-REVISTA DE INVESTIGACION QUEVEDIANA | 1138-6363 |
| Periodica Mathematica Hungarica | PERIOD MATH HUNG | 0031-5303 |
| Periodica polytechnica Electrical engineering and computer science | PERIODICA POLYTECHNICA ELECTRICAL ENGINEERING AND COMPUTER SCIENCE | 2064-5260 |
| Periodica Polytechnica Transportation Engineering | PERIODICA POLYTECHNICA TRANSPORTATION ENGINEERING | 0303-7800 |
| Periodica Polytechnica, Mechanical Engineering | PERIODICA POLYTECHNICA, MECHANICAL ENGINEERING | 0324-6051 |
| Periodica Polytechnica, Social and Management Sciences | PERIODICA POLYTECHNICA, SOCIAL AND MANAGEMENT SCIENCES | 1416-3837 |
| Periodica Polytechnica: Chemical Engineering | PERIOD POLYTECH-CHEM | 0324-5853 |
| Periodica Polytechnica-Civil Engineering | PERIOD POLYTECH-CIV | 0553-6626 |
| Periodicals of Engineering and Natural Sciences | PERIODICALS OF ENGINEERING AND NATURAL SCIENCES | 2303-4521 |
| Periodico di Mineralogia | PERIOD MINERAL | 0369-8963 |
| Periodico Tche Quimica | PERIODICO TCHE QUIMICA | 1806-0374 |
| Periodicum Biologorum | PERIOD BIOL | 0031-5362 |
| Periodontology 2000 | PERIODONTOL 2000 | 0906-6713 |
| Periodyk Młodych Religioznawców Ex Nihilo | | 1689-9202 |
| Periodyk Naukowy Akademii Polonijnej | | 1895-9911 |
| Perioperative Care and Operating Room Management | PERIOPERATIVE CARE AND OPERATING ROOM MANAGEMENT | 2405-6030 |
| Perioperative Medicine | PERIOPERATIVE MEDICINE | 2047-0525 |
| Periplo Sustentable | PERIPLO SUSTENTABLE | 1870-9036 |
| Periskop: Forum for Kunsthistorisk Debat | | 0937-8391 |
| Peristil | | 0553-6707 |
| Peritia | | 0332-1592 |
| Peritoneal Dialysis International | PERITON DIALYSIS INT | 0896-8608 |
| Permafrost and Periglacial Processes | PERMAFROST PERIGLAC | 1045-6740 |
