50watts.com is an unbelievably rich resource for illustrations from around the globe and throughout the years. It has the most incredible collection of images, end papers, posters, children's illustration, vintage advertisements and more—I could peruse this site for hours! Here's a small sampling of the amazing treats you will find here. Have a great time getting lost for a while.
Skandias 1924 - Sweden
Shigeru Hatsuyama - Thumbelina 1925 - Japan
Lev Tokmakov for Katya in Toy City 1973 - Russia
Carlos Mereida 1939 - Dances of Mexico
Kenojuak Ashevak 1959 - Inuit
1955 Shiseido Advert - Japan
Carlos Merida 1947 - Guatemala
Bente Miltenburg - Holland
Einar Nerman 1950 - Sweden
Takeo Takei 1969 - Japan