Historical clue formulations

• High class? — 2026-04-05
• Lecture alternative — 2021-03-05
• Colloquy — 2016-09-24
• Advanced course — 2015-07-02
• Study group — 2013-03-07
• Advanced study group — 2006-12-19
• College offering — 2005-01-09
• Limited course — 2003-03-08
• College setting — 1999-11-18
• Advanced course — 1997-02-02