Related Clues:

• Squint (at)
• Ethel Waters's '___ Blue?'
• Contemporary
• Friend of mon frère
• Last words of Little Jack Horner
• Athos, to Aramis
• 'Where ___?'
• Look closely
• See 48-Across
• Use a keyhole, perhaps
• Friend of Nancy
• Look through a keyhole
• '___ Blue'
• Lady, e.g.
• Foreign pen pal