Dictionarium bibliothecarii practicum (ad usum internationalem in XX linguis) = Wörterbuch des Bibliothekars in zwanzig Sprachen = The librarian's practical dictionary in twenty languages / composuit Zoltán Pipics ; [operis sogius Ernö Szily]. - Szily, Ernö (Verlag Dokumentation ; Akadémiai Kiadó, 1971)