Historical clue formulations

• Pen holder, paper tray, memo pad, etc. — 2026-06-06
• Letter opener, pencil cup, inbox tray, etc. — 2022-10-16
• Executive suite? — 2012-03-03
• Accessories for a secretary — 2007-08-17
• 1957 film starring 57-Across — 2000-04-05
• Stationer's offering — 1999-05-28