Historical clue formulations

• 14-line poem with only two rhymes across three stanzas — 2025-03-16
• 14-line verse with only two rhyme sounds — 2018-05-22
• 14-line poem with only two rhymes — 2018-04-06
• Chaucer's "Merciless Beauty," e.g. — 2013-03-09
• Short poem on two rhymes — 1998-02-11
• Lyrical poem — 1995-03-08