Historical clue formulations

• Parts of some contracts — 2023-07-22
• Subway patrons — 2022-12-19
• Passengers — 2012-04-23
• Equestrians — 2011-08-12
• Passengers — 2004-05-17
• Contract addenda — 2002-12-08
• Drivers' fares — 2000-06-06
• Rough ___ — 1997-10-31
• Bill attachments — 1995-04-05