Havighurst, Walter, 1901-1994. The first book of pioneers: : Northwest Territory. [electronic resource] / Pictures by Harve Stein.. — New York, : F. Watts, [1959]. — 69 p. : illus. 22 cm. - [First books, 97]. LCCN: 59006581 Subjects--Topical Terms: Frontier and pioneer life--Middle West. LC Class. No.: F351 / .H295 Dewey Class. No.: 978