Historical clue formulations

• Nightgown wearer of rhyme — 2002-10-01
• Nightgown wearer of rhyme — 2001-01-16
• Boy in a nightgown, in a children's rhyme — 2000-06-19
• Nursery rhyme fellow — 1999-04-12
• Nightgown wearer of children's rhyme — 1997-02-10
• Nightgown-clad nursery-rhyme character — 1996-11-11