Not sure if it's of use to anyone, but makes an interesting read!
Published in 1942, covers MkI-IV. Talk about maintainance intensive, 12-14 things to do daily, 23-4 to do weekly/every 250 miles, 22 every month/500 miles, 7 every 1,000 miles and 2 every 2,000 miles (Any of them last that long?)