Moravek Endre: Index acronymorum selectorum. Pars 5. Instituta ad artes litteraturamque spectantia cum siglis periodicorum additis (A MTAK kiadványai 66. Budapest, 1972)

- 72 invt. IOB IOC IOJ I.O.J. I.

О.P. I.P. IPA IPAV IPC IPD ipd IPEU IPI IPMPI I.P.N. IPO IPOT IPPAU IPPEC IPS I.P.T.A. IRA IRPS 1RS = inv(en)

. Institute of Builders, [GB] (e) Imperial Opera Company (e) Institute of Journalists, L (e) 1. International Organization of Journalists (e) = OIJ 2. Internationale Organisation der Journalisten, В (d) Institute of Oil Painters, [GB] (e) 1. Informations Politiques (f) 2. Informazione Parlamentare, L-R (i) 3. Inter-Press, Os (e) 1. Illinois Press Association, Urbana (e) 2. India Press Agency (e) 3. Internationaal Persbureau, Amsterdam (ne) 4. International Poetry Archives (Manchester Central Library) (e) 5. International Press Association (e) 6. International Press Service of America (e) = IPS^ 7. Internationale Presse-Agentur (d) Internationales Presse-Archiv für Verkehrswesen (d) International Press Correspondence, P (e) Informations- und Presse-Dienst des Österreichischen Beamtenbundes, Wi (d) Industrie-Presse-Dienst, [BRD] (d) International Photo Engravers' Union (e) 1. International Press Institute, Z (e) 2. Internationales Presse-Institut (d) 3. Istituto Propaganda Internazionale, Mi (i) International Photographers of the Motion Picture Industries (e) Is(raelitische)kult(usgemeinden) - Presse - Nachrichten, Wi (d) Israel Philharmonie Orchestra (e) Imperial Philharmonie Orchestra of Tokyo (e) International Printing Pressmen and Assistants' Union, [US] (e) Inventaire Permanent des Périodiques Étrangers en Cours, Direction des Bibliothèques, [France] (f) 1. Incorporated Phonographic Society, Croydon (e) 2. Incorporated Poetry Society (e) 3. International Press Service, NY (e) International Piano Teachers' Association (e) Institute of Registered Architects, [GB] (e) International Religious Press Service [Vatican City] (e) International Review Service (e)