Large 25x38" printer's proof page w/three separate print images. In 1971, Harper & Row published a limited edition set of 500 boxed portfolios titled "Pictures By Maurice Sendak," each containing 20 separate lithographs from his books "In the Night Kitchen, Where the Wild Things Are" and earlier titles. This is the printer's proof sheet provided to Sendak for proofing purposes. Sendak has written "2 Lullabies 1 Hector" one reverse of sheet. Print images measure as follows - first Lullaby, approx. 8x10"; second Lullaby, approx. 7.5x11" and Hector, 5.5x15.5". Sendak has signed in black ink below each image. Sheet has some scattered aging/handling wear and is VF overall, though images and signatures each display Exc. Hake Collection.