Possible Clues:

• 'Jabberwocky' word
• '... gyre and gimble in the __' (Carroll)
• Boatman in the Guardian, home of slithy toves
• Grass plot around a sundial, in "Jabberwocky"
• 'Did gyre and gimble in the ___': 'Jabberwocky'
• Where the slithy toves gyred and gimbled
• '... gyre and gimble in the --': Carroll
• *Grass plot around a sundial
• "Did gyre and gimble in the __": "Jabberwocky"
• '...gimble in the ___': Carroll