Moravek Endre: Index acronymorum selectorum. Pars 7. Instituta communicationis (A MTAK kiadványai 47. Budapest, 1966)

- 126 PR Polskié Radio /ро/ P.

R.A. 1. Pubblico Registro Automobilistico

, R /i/ 2. Public Roads Administration, /US/ /е/ PREWI Press Wireless /е/ PRI 1. La Prévention Routière Internationale, P /f/ 2. Public Relations Institute of Ireland, Dublin /е/ PRI ISC Public Relations I Information Services Control /е/ PRK Pressens Korrespondensbyra /s/ PRL Postal Reform League /е/ Pro NBC Propaganda, National Broadcasting Company, /US/ /е/ PRR = Pen. R.R. PRSL Pennsylvania-Reading Seashore Lines /е/ PRY Pittsburgh Railways Company, /US/ /е/ PRYC Agencia Noticiosa Prensa, Radio у Cine, /Chile/ /es/ PSA 1. Pacific Southwest Airlines, S Diego /е/ 2. Postsparkassenamt /d/ PS & N Pittsburgh, Shawmut Northern Railroad Company, /US/ /е/ PSD Postal Services Department /е/ PSHM Press Service H. Meyer /da/ PSK Politisch-Soziale Korrespondenz /d/ PSNC Pacific Steam Navigation Company /е/ PSP Pohjolan Sanomapal

velu /suo/ P.

S.S. Pacific Steamship Company, /US/ /е/ PSTA Public Service Transport Association /е/ PSTO Principal Sea Transport Offices /,US/ /е/ PSVAC Public Service Vehicle Advertising Committee, L /е/ PT 1. Postal Telegraph, /US/ /е/ 2. Poste e Telecomunicazioni /i/ 3. Postes et Télégraphes /f

/ 4. Press Telegraph, /Norge/ /е/ pt. Schweizer Pressetelegraph /d/ PTA 1. Petersburger Telegraphen-Agentur /d/ 2. Public Transport Association Inc.

, L /е/ PT & T Post, Telephone and Telegraph /е/ PTC 1. Parmelee Transportation Company, /US/ /е/ 2. Postal and Telegraphic Censorship /е/