From post The Swamp Ladies of Estonia, an illustration from Jüri Arrak's Panga-Rehe Jutud:
From post The Raven, an illustration from Lorenzo Mattotti and Lou Reed's The Raven:
From post Frolicsome Flowers of Evil, an illustration from Frolicsome Flowers-They See the Wonderful "Rajah Rug" by T. Benjamin Faucett (I'd like to use this on a party invitation):
From post Iranian Kids' Books, Part 2, an illustration from Farshid Mesghali's The Blue-Eyed Boy:
From post Rokuro Taniuchi 5:
...and on and on. I haven't even begun to dig into Will's (I don't know his last name) blogroll, but it looks amazing, too.