Historical clue formulations

• "Old MacDonald" sounds — 2024-12-10
• Hog calls — 2024-01-19
• Sounds from a sty — 2023-07-31
• Sounds from a 64-Across — 2022-06-05
• Sounds heard here and there in a nursery rhyme — 2020-11-25
• Sounds from a 28-Across — 2020-03-04
• Sounds from a sty — 2019-10-01
• Pig cries — 2015-02-16
• Pig sounds — 2014-05-19
• Hog sounds — 2013-12-23
• Sounds from pens — 2013-10-20
• Parts of an "Old MacDonald" verse — 2013-08-08
• Farm sounds — 2013-08-07
• There are eight in "Old MacDonald Had a Farm" — 2013-01-25
• Pig sounds — 2012-10-08
• Sounds from sties — 2011-07-04
• Cries from sties — 2010-02-17
• See 'n Say sounds — 2009-12-11
• Porcine sounds — 2008-11-05
• Sounds from pens — 2004-06-30
• Pen chorus — 2004-06-20
• Pig sounds — 2003-10-20
• Sow sounds — 2003-03-09
• They come out of pens — 2001-10-31
• They're heard in a pen — 2000-08-25
• Mimics 113-Across — 1998-10-04
• Pen patter — 1997-07-27
• Sounds from a sty — 1996-10-21
• Sty sounds — 1994-07-13