Alice and Martin Provensen, The Color Kittens, 1949
(one of my favorite books when I was child!)
Dale Maxey, back cover of Nurseryland Annual, 1969
Vladimir Pivovarov, 1971, thanks to polny_shkaf
N. Radlov, 1990
Gwen Keraval, Oscar et l'impala
unknown author, from L'enfant et la lecture
Anthony Browne, Willy's Pictures
Sandra Boynton, Chlöe and Maude, 1984, thanks to Vintage Kids' Books My Kid Loves
Nicola Bayley, Parrot Cat, 1984
Kurt Vargo for Art Direction Magazine, 1980s