Mitchell, S. A. (1849). Description of Oregon and California: Embracing an account of the gold regions; to which is added, an appendix, containing descriptions of various kinds of gold, and methods of testing its genuineness. With a ... map of Oregon and California. Thomas Cowperthwait.

Mitchell, S. Augustus. Description of Oregon and California: Embracing an Account of the Gold Regions; to Which Is Added, an Appendix, Containing Descriptions of Various Kinds of Gold, and Methods of Testing Its Genuineness. With a ... Map of Oregon and California. Philadelphia: Thomas Cowperthwait, 1849.

Mitchell, S. Augustus. Description of Oregon and California: Embracing an Account of the Gold Regions; to Which Is Added, an Appendix, Containing Descriptions of Various Kinds of Gold, and Methods of Testing Its Genuineness. With a ... Map of Oregon and California. Thomas Cowperthwait, 1849.