Or search the catalog directly in Franklin (online catalog for the Libraries' collections):
subject keywords: (Greek OR Roman) AND mythology
for a narrower (though still broad) search-- add: AND (hesiod OR homer OR Virgil OR Vergil OR gods)
Try a similar search in articles+ (focus on journal articles, book reviews, book chapters)
mythology AND (Greek OR Roman) AND (hesiod OR homer OR virgil OR vergil OR gods)
(limited to scholarly and peer review, journal articles, subject term: classics)
Companions exist for most topics across ancient studies (literature, history, sociology, economics, women, families, and so on). You can find some of these listed in the first column of this guide and more at the primary guide for Classical Studies