Historical clue formulations

• Unfolds, in poetry — 2018-07-25
• Unlocks, in poesy — 2015-06-23
• Exposes, old-style — 2015-02-14
• Unlocks, in verse — 2014-10-21
• Reveals, in verse — 2007-12-19
• Makes accessible, old-style — 2005-07-03
• Unlocks, poetically — 2004-11-16
• Reveals, in verse — 2004-09-01
• "And Morning ___ with haste her lids": Emerson — 2003-08-22
• Unlocks, poetically — 2003-03-10
• Unlocks, in poetry — 1999-12-27
• Reveals, à la Shakespeare — 1999-02-04
• Reveals, poetically — 1998-02-15
• Unlocks, to Milton — 1994-10-25
• Unlocks, in a sonnet — 1994-05-10