Possible Clues:

• Grecian urn poet
• One of two born together
• 'Ode on Melancholy' poet
• Contemporary of Byron and Shelley
• John —, Romantic poet
• Source of the title 'Tender Is the Night'
• Ode to Autumn poet
• Poet who wrote 'Heard melodies are sweet, but those unheard are sweeter'
• Opening of Kalevala worries poet
• ''Nightingale'' odist