For anyone interested, here’s the Mises Wiki entry. (The funcitonality of collapsible tables was broken with an installation update, so those contents kind of annoyingly take up the page, but that will be fixed eventually.)
Tom Woods has a copy of the 4-volume edition in his office, which is visible on the shelf behind him in all his videos. Him and Gutzman would probably be the two best judges on this. You might check around to see if they’ve written anything about it, and if you’re inclined, send them a quick email and see what you get back.