Historical clue formulations

• Worked at, as a trade — 2026-03-23
• Worked steadily at — 2024-07-11
• Worked steadily at — 2023-09-09
• Practiced sedulously — 2022-02-25
• Pursued, as a trade — 2019-12-12
• Exerted — 2016-10-23
• Worked with — 2014-08-30
• Engaged in, as a trade — 2014-04-13
• Practiced actively — 2011-05-29
• Worked regularly at — 2009-02-26
• Worked at, as a trade — 2008-05-19
• Carried on, as a trade — 2008-01-24
• Employed busily — 2007-02-28
• Practiced diligently — 2003-05-17
• Furnished (with) — 2003-03-08
• Worked regularly at — 2002-03-08
• Employed busily — 2000-11-12