What did John Keats write?

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John Keats wrote sonnets, odes, and epics. All his greatest poetry was written in a single year, 1819: “Lamia,” “The Eve of St. Agnes,” the great odes (“On Indolence,” “On a Grecian Urn,” “To Psyche,” “To a Nightingale,” “On Melancholy,” and “To Autumn”), and the two unfinished versions of an epic on Hyperion.