Historical clue formulations

• Book boo-boos — 2026-04-25
• List of mistakes — 2025-08-24
• Section at the end of a textbook, often — 2025-07-17
• Some goofs — 2024-01-07
• Goofs in proofs — 2023-12-30
• Print "oopses" — 2022-03-16
• Paper slips? — 2022-02-27
• Slips — 2021-03-10
• Good as gold, and others? — 2021-02-26
• Mistakes — 2020-11-11
• Printing goofs — 2020-09-07
• Slips — 2020-03-15
• Typos and such — 2019-05-29
• Corrigenda — 2019-03-17
• Things that corrections correct — 2018-06-03
• Mistakes — 2018-05-06
• Typos, e.g. — 2018-04-04
• Printing goofs — 2017-10-10
• Book slips — 2017-08-30
• Printing mistakes — 2017-02-20
• Slips of paper? — 2015-08-15
• Some lapses — 2014-05-25
• Printed slips — 2012-02-03
• Mess-ups — 2010-07-21
• Slips — 2009-11-01
• Literary slips — 2007-12-23
• "Oops!" list — 2007-10-10
• Mistakes — 2007-07-04
• Text miscues — 2007-01-28
• Printing after a printing — 2007-01-23
• Slips — 2005-11-18
• Ods and endds — 2005-08-27
• Proofers' catches — 2005-08-14
• Slips — 2005-06-30
• Printed mistakes — 2005-05-16
• Slips on a slip — 2005-03-09
• Book boo-boos — 2004-10-26
• Printing goofs — 2004-07-06
• Typos and such — 2003-11-13
• Slips — 2003-04-20
• Slips — 2003-04-04
• Proofer's bane — 2002-06-15
• Slips — 2001-04-06
• Concern of 43-Down — 2001-02-28
• Slips — 2000-06-21
• Goofs on a 29-Across — 2000-04-28
• Slips on a slip? — 1999-07-08
• Correction section — 1998-03-01
• Thiss and thaat — 1997-07-26
• Typos — 1997-06-01