Related Clues:

• Rush letters
• Chop chop
• 'Quickly,' quickly
• 'Without delay'
• ERA supporter
• On the double, briefly
• On the double, initially
• Gp. that supported the 31-Across Amendment
• Memo request
• These days
• Abbr. of urgency
• It's much sooner than later
• ''Make it snappy!''
• Dreaded letters for a procrastinator?
• ''Without delay!''