Clark, Thomas D. The rampaging frontier: Manners and humors of pioneer days in the South and the Middle West (1939).
Deverell, William, ed. A Companion to the American West (Blackwell Companions to American History) (2004); 572 pp excerpt and text search
Hawgood, John A. America's Western Frontiers (1st ed. 1967); 234 pp; textbook covering pre-Columbian era through the mid-twentieth century
Heard, J. Norman. Handbook of the American Frontier (5 vol Scarecrow Press, 1987–98); Covers 1: The Southeastern Woodlands, 2: The Northeastern Woodlands, 3: The Great Plains, 4: The Far West and vol. 5: Chronology, Bibliography, Index. Compilation of Indian-white contacts & conflicts
Hine, Robert V., and John Mack Faragher. The American West: A New Interpretive History (Yale University Press, 2000). 576 pp.; textbook
Josephy, Alvin. The American heritage book of the pioneer spirit (1965)
Lamar, Howard, ed. The New Encyclopedia of the American West (1998); this is a revised version of Reader's Encyclopedia of the American West ed. by Howard Lamar (1977)
Michno, F. Gregory. Encyclopedia of Indian wars: Western battles and skirmishes 1850–1890. Missoula: Mountain Press Publishing Company. 2009. ISBN 978-0878424689.
Milner, Clyde, Carol O'Connor, and Martha Sandweiss, eds. The Oxford History of the American West (1994) long essays by scholars; online free
Paxson, Frederic Logan. History of the American frontier, 1763–1893 (1924), an old survey by leading authority; Pulitzer Prize
Paxson, Frederic Logan. The Last American Frontier (1910) online free
Wrobel, David M. Global West, American Frontier: Travel, Empire, and Exceptionalism from Manifest Destiny to the Great Depression (University of New Mexico Press, 2013) 312 pp.; evaluates European and American travelers' accounts
Phillips, Ulrich B.Plantation and Frontier Documents, 1649–1863; Illustrative of Industrial History in the Colonial and Antebellum South: Collected from MSS. and Other Rare Sources. Two volumes. (1909). vol 1 & 2 online
Still, Bayrd, ed. The West; contemporary records of America's expansion across the continent, 1607-1890 (1961) online
Watts, Edward, and David Rachels, eds. The First West: Writing from the American Frontier, 1776–1860 (Oxford UP, 2002), 960 pp; primary sources' long excerpts from 59 authors; excerpt