Ayers, Edward L. American passages : a history of the United States, to 1877 / Edward L. Ayers ... [et al.]. - Fort Worth : Harcourt College Pub., c2000. - xxx, 567p. : col. ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0030725739 (vol. 1) Subjects--Geographic Terms: United States--History LC Class. No.: E178.1 / Am3 2000 v.1