Related Clues:

• In the past
• Once
• Over and done with
• Way back when
• Not recently
• Nostalgic time
• Some time past
• Long, long ago
• Some time back
• See 57-across (9)
• Some time in the past
• Earlier today, say
• As it's there, there's no future in it
• Formerly patients treated outside hospital
• Curious hatpin set of some time ago