"Esperanto en Perspektivo: Faktoj kaj analizoj pri la internacia lingvo" ("Esperanto in perspective: Facts and analyses about the International Language", Ivo Lapenna, Ulrich Lins, Tazio Carlevaro: Compte-rendu) in Language Problems and Language Planning, 3:1, 40–45.
Ivo Karlović | Ivo Andrić | Ivo Watts-Russell | Ivo Banac | Ivo Puhonny | Ivo Perišin | Ivo Josipović | Ivo Bligh | Ivo Vinco | Ivo Vojnović | Ivo Perović | Ivo of Kermartin | Ivo Niehe | Ivo Linna | Ivo Heuberger | Ivo Babuška | Tommy Ivo | Sandro Ivo Bartoli | Ivo Urbančič | Ivo Stourton | Ivo Siromahov | Ivo Sanader | Ivo Pilar | Ivo Pauwels (author) | Ivo Pauwels | Ivo Opstelten | Ivo Neame | Ivo Malec | Ivo Lapenna | Ivo Kerdić |