Biographical material, correspondence, photographs, awards material, sketches and/or illustrations, dummies, color separations, manuscripts, typescripts, galleys, proofs, paste-ups, photo negative, storyboard, blueprint, linoleum blocks, posters, woodcut, press sheet, sound recordings, and miscellaneous material. The Collection holds sketches and/or illustrations for Mrs. Herring (1967); The open boat and three other stories (1968); The peasant's pea patch (1971); and Pete Pack Rat (1976). There are dummies for If I drove a truck (1967); If I rode a dinosaur (1974); If I rode a horse (1973); If I rode an elephant (1974); If I sailed a boat (1971); The key to the kitchen (1970); Leave Horatio alone (1974); Little Hans, the devoted friend (1969); The man on the flying trapeze (1975); Moose's store (1979); Mr. Snow Bunting's secret (1978); Oh, what an awful mess! (1980); Old MacDonald had a farm (1972); Old Silver Leg takes over! (1986); The peanut cookbook (1976); The peasant's pea patch; Pete Pack Rat; and Pete Pack Rat and the gila monster gang (1978). The Collection includes color separations for If I sailed a boat; Investigator Ketchem's crime book (1984); The man on the flying trapeze; Monsters from the movies (1978); Moose's store; The most welcome visitor (1978); No mouse for me (1981); Oh, what an awful mess!; Old MacDonald had a farm; The peanut cookbook; and Pete Pack Rat's Christmas Eve surprise (1981). There are typescripts for Investigator Ketchem's crime book; and The man on the flying trapeze. There are proofs for The life of George Washington together with curious anecdotes equally honourable to himself and exemplary to his young countrymen (1974) and paste-ups for The man on the flying trapeze. There is a promotional flyer for Pete Pack Rat and a poster for Movie monsters and their masters (1980).