Historical clue formulations

• Certain canines — 2025-09-07
• Sticking points for vampires — 2019-12-07
• Some canines — 2016-03-09
• Dentist's #6 and #11 — 2012-11-09
• Exchange for something very valuable — 2008-05-31
• Valuable things to give? — 2002-01-28
• Canines, to a dentist — 1999-06-06
• Upper canines — 1995-03-21
• Exchange for something precious — 1994-07-23