480 Classical Greek and related Hellenic languages
481-488 Subdivisions of classical, preclassical, postclassical Greek
481 Writing systems, phonology, phonetics of classical Greek
482 Etymology of classical Greek
483 Dictionaries of classical Greek
485 Grammar of classical Greek
487 Preclassical and postclassical Greek
488 Classical Greek usage (Prescriptive linguistics)
489 Other Hellenic languages