Historical clue formulations

• Implicatively — 2022-02-11
• See notepad — 2018-09-27
• Interstitially, say — 2013-05-09
• Implicatively — 2012-02-03
• See 20- and 58-Across — 2010-10-14
• Where to look for hidden words in this puzzle's fifth and eleventh columns? — 2010-05-27
• Where to color cartoons? — 2004-06-06
• Inferentially — 2001-06-22
• In hidden fashion — 2000-03-31