Organizations
- Plymouth University - (Plymouth, Plymouth, United Kingdom) External Organization
- Princeton Plasma Physics Lab., NJ (US) Publisher
- PRINCETON UNIV NJ MATERIALS LAB Publisher
- Peter Lang Publisher
- Peter Lang Publishing Publisher
- Peter Lang Publishers Publisher
- Peter Lang US Publisher
- Pepperdine University School of Law Publisher
- Pace Law Review Publisher
- Pace University School of Law Publisher
- Pepperdine Law Review Publisher
- Penn State Law Review Publisher
- Pushkin Leningrad State University - (Pushkin, Russia) External Organization
- Physical Review Letters Publisher
- Public Library of Science (PLoS) Publisher
- Portland State University Library Publisher
- Public Library of Science Publisher
- Pacific University Library Publisher
- Practical Litigator Publisher
- Prof Pubs LLC Publisher
- Pearson Longman Publisher
- Portland Press Ltd. Publisher
- Pleiades Publishing Ltd Publisher
- Pion Ltd Publisher
- Procon, Ltd. Publisher