In case anyone is interested, there is some additional information and high quality pics of the famous Bakemono Zukushi "Monster" scroll [ 化物尽繪] (which was referenced in the original PT article above), through The Public Domain Review, https://publicdomainreview.org/collection/the-bakemono-zukushi-monster-scroll-18th-19th-century as well as flashbak, which has some specific characters highlighted, https://flashbak.com/yokai-horrors-from-the-18th-century-bakemono-zukushi-scroll-420896/ And additional info at this wiki page on Bakemono no e (化物之繪, "Illustrations of Supernatural Creatures") https://en.wikipedia.org/wiki/Bakemono_no_e Happy learnin'.
And a couple of interesting woodblocks for good measure. COLLECTION OF MONSTERS (Shinpan bakemono zukushi) (1860). By Japanese artist, Utagawa Shigekiyo COLLECTION OF MONSTERS (Shinpan bakemono zukushi) (1880). By Japanese artist, Kishimoto Senri. And some from the Database of Folklore Illustrations,