Possible Clues:

• End-of-page abbreviation
• Give one a turn to get to Maine for the poison
• Encouragement to turn over a new leaf
• It's your turn to get the top broken
• Turn the page
• Please turn over (abbr.)
• See overleaf
• Turn over a new leaf initially
• Initially, what to do with a new leaf politely
• Your turn to get over this initially