Been a while since I had anything to say about this Harry Clarke, but oldbookillustrations.com1 has a load of very high res scans of, um, old book illustrations, including lots of Harry Clarkes, including for example The Year's At The Spring2.
Paul Clarke's blog - I live in Hythe near Folkestone. Wed + dad to 2, I am a full-stack web engineer, + I do js / Node, some ruby, other languages ect ect. I like pubbing, parkrun, eating, home automation + other diy jiggery-pokery, history, tree stuff, TV, squirrels, pirates, lego, and TIME TRAVEL.