Historical clue formulations

• Almond or pecan — 2021-09-27
• Cashew or hazel, in a grove — 2012-12-10
• Almond, for one — 2012-08-18
• Cashew, for one — 2011-10-02
• Pecan, e.g. — 2011-06-02
• Hazel, e.g. — 2008-03-02
• Hazel, for one — 2004-01-16