The oldest identified text we maintain is from 1519:
Statii Sylvarvm libri V. Achilleidos libri XII [i.e. II]. Thebaidos libri II [i.e. XII] : orthographia et flexvs dictionum græcarum omnium apud Statium cum accentib. et generib. ex varijs utriusq ; linguæ authoribus.
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-Dan
