Moravek Endre: Index acronymorum selectorum. Pars 1. Instituta rerum publicarum (A MTAK kiadványai 46. Budapest, 1965)

- 290 OPCV OPD OPDEVFOR OPDL OPEC OPF O.P.H.S. O.P Л. OPICND O.P.M. O.P.M.E, OPMG O.P.N. OPO OPR OPRD OPS O.P.W.

С OQMG OR. ORA 2. Ordnance Procurement Center /е/ Office of Petroleum Coordinator for War /е/ 1. Operations Department /е/ 2. Out-patient Department /е/ Operational Development Force, /US/ /е/ Office of Production and Defense Lending /Treasury Department/, /US/ /е/ Organisation of Petroleum Exporting Countries /е/ Országos Pénzügyi Felügyelőség, Bp /т/ Office Public d'Hygiène Sociale /f/ Office de la Propriété Industrielle /f/ Office of Petroleum Industry Coordinator for National Defense /е/ 1. Office des Pêches Maritimes /f/ 2. Office for Production Management /е/ 3. Office of Procurement and Material /US N/ /е/ 4. Office, Provost Marshal /е/ 5. Okresní Péce о MládeS /У/ Office de Protection de la Maternité et de l'Enfance /f/ Office of the Provost Marshal General /US А/ /е/ Ordre Politique National, G /f/ Office of the Personnel Officer, /US/ /е/ Office of Public Relations /US N/ /е/ Office of Production Research and Development /е/ 1. Office of Price Stabilization, /US/ /е/ 2. Okresní Pracovní Stredisko /У/ 3. Organisation Panaméricaine de la Santé /f/ Old People's Welfare Centre /е/ Office of the Quartermaster General /US А/ /е/ 1. Dienst van de Opiumregié" in Nederlandsch„Indië /пе/ 2. Obvodní Rada /У/ 3. Odborovy Rada /V 4. Office de Répartition /f/ 5. Organizacija Rada /h/ 6. Osvïtovà Rada /У/ 1. Office des Renseignements Agricoles, /France/ /f/