Historical clue formulations

• Hound — 2026-07-21
• Snoopy or Scooby-Doo — 2026-02-10
• Hound, in two ways — 2025-05-26
• Follow relentlessly — 2025-04-16
• Follow relentlessly — 2023-08-05
• Jackapoo or schnoodle — 2023-04-11
• With 108-Down, hot stretch of summer — 2022-09-11
• Tail ... or one with a tail — 2021-09-30
• Animal you might describe by the ends of 21-, 28-, 48- and 54-Across — 2021-04-20
• A pup is a young one — 2021-04-08
• Animal that barks — 2021-04-05
• Animal for which the Canary Islands are named — 2020-09-13
• Follow relentlessly — 2020-02-12
• Not leave alone — 2020-01-05
• Frankfurter, informally — 2019-10-22
• Follow relentlessly — 2019-09-17
• Track relentlessly — 2019-07-09
• Great Dane, e.g. — 2018-12-03
• Follow relentlessly — 2018-09-27
• Pomeranian, e.g. — 2017-07-31
• Follow relentlessly — 2017-07-11
• Frankfurter — 2017-05-04
• Bo or Checkers — 2017-02-20
• Hound — 2017-01-29
• Ballpark frank — 2016-11-15
• Follow closely — 2016-02-06
• Barker — 2015-09-20
• Pursue — 2015-09-16
• Adopt-a-thon adoptee, maybe — 2015-09-09
• See 5-Down — 2015-05-20
• Follow relentlessly — 2014-10-07
• You might board yours at the keel if you take a cruise — 2014-08-23
• Follow closely — 2014-08-12
• Track — 2014-06-12
• Follow closely — 2013-12-08
• Labrador, e.g. — 2013-06-25
• Track hostilely — 2013-01-25
• See 58-Down — 2012-09-15
• Toto, for one — 2012-07-03
• Follow persistently — 2012-02-05
• See 57-Down — 2011-09-12
• Trail — 2010-06-06
• Follow relentlessly — 2009-12-17
• Frank — 2009-12-17
• Barker — 2009-12-15
• Woofer? — 2009-12-07
• Frank — 2009-11-06
• Hound — 2009-04-20
• One enrolled in obedience school — 2008-12-22
• Goofy, e.g. — 2008-11-05