Second edition. Union catalogue of holdings of 4,099 Argentine periodical titles and 21,030 non-Argentine periodical titles, with 5,915 other "referencias," in 142 scientific and technical libraries in Argentina, mostly government, institutional and academic. Besterman 4485 (this ed.). Entries provide the usual: Title and place, title history and publication information along with occasional notes, followed by a list of libraries and their holdings. Incomplete volumes are indicated. Includes title cross-references. Contains an index of all institutional and other noncommercial publishers of periodicals, with the associated titles, and two fold-out leaves listing the abbreviations used in the catalogue for the various holding libraries. Unopened after p.888. Wrappers somewhat chipped, soiled; edges stained.