455 - Grammar of standard Italian 185
450 - Italian, Romanian & related languages 141
453 - Dictionaries of standard Italian 70
456 - [Unassigned] 25
458 - Standard Italian usage 18
451 - Writing system, phonology, phonetics 14
452 - Etymology of standard Italian 10
454 - [Unassigned] 5
457 - Italian language variations 5
459 - Romanian, Rhaetian, Sardinian, Corsican 3