Possible Clues:

• Zachary, for daiquiri, e.g.
• Worst to first, e.g.?
• Donne, for one
• Sounds like Frost, but Poe's was sort of Runic
• What each of the longest words in 17A, 65A, 10D and 25D famously lacks
• Group three with thee?
• Kind of scheme
• Humpty Dumpty may exemplify it
• Chaplain's teachings covering mainly spiritual verse
• Poem, eg for nursery