People new to legal research don’t know that legal histories can be found in judicial opinions and not just in books, articles, or legislative history compilations. There is a reason some judicial opinions are so long.
(New legal researchers also don’t know that one needs to verify any legal history by reading the cases and statutes cited by the judge(s) AND update everything one reads using current sources and citators.)
I read about Judge Matthew Cooper’ canine jurisprudence exposition in a November 22, 2021, New Yorker article, “The Bench: Cats and Dogs,” page 18 (print edition):