Possible Clues:

• Run through literary work with English poet
• Rupert - - , lyric poet noted for his idealistic war poetry
• Ms. Shields
• Bear, say - one called Rupert
• Shields of ''Blue Lagoon''
• '1914' poet
• Shields on film
• Poet mostly reserved about source of rhymes
• Poet penning piece in centre of Canberra
• Poet Tennyson's babbler in recital?