Psion Teklogix: http://www.psionteklogix.com/
Public-Access Computer Systems Review (The): http://info.lib.uh.edu/pr/pacsrev.html
Publishers Association: http://www.publishers.org.uk/
Publishers’ Catalogues: http://www.lights.com/publisher/
PubMed Central: http://www.pubmedcentral.nih.gov/
PUF (Presses universitaires de France): http://www.puf.com/
QuickTime (Apple): http://www.apple.com/quicktime/
Quid: http://www.quid.fr/
RAAMM (Regroupement des aveugles et amblyopes du Montréal métropolitain): http://www.raamm.org/
Radar Networks: http://www.radarnetworks.com/