Possible Clues:

• A spare 'E' for yours back then
• Shakespearean pronoun
• "Drink to me only with ___ eyes..."
• "Your" of yore
• '___ Is the Glory' (hymn)
• It was yours long before you were born
• Yours, of old
• "To ___ own self . . ."
• What's now yours
• Yours, in the King James Bible