From the Margret and Hans Augusto Rey Papers .; Curious George's 50th Birthday invitation (including balloon), sponsored by Houghton Mifflin on May 9, 1991. First image is 5.5" x 7.5" and the second image is 7.5" x 10.5."
From the Margret and Hans Augusto Rey Papers. A watercolor painting of horses and riders in a park entitled "Horses in the Park" by H.A. Rey in 1906 when he was eight years old.
From the Margret and Hans Augusto Rey Papers. Illustrations of Curious George swinging on a vine in a tree. Framed original charcoal, color pencil, and watercolor illustration for p. 5 of Curious George by H.A. Rey (Boston: Houghton Mifflin, 1941).