Historical clue formulations

• It's office-bound — 2020-03-14
• One bound to hold notes? — 2013-08-24
• It may have wire binding — 2010-08-04
• Tablet — 2003-11-30
• Place for shorthand — 2003-01-09
• It's useful for dictators — 2001-03-24
• It's often used in a pool — 2000-01-02
• Tablet — 1996-11-03