Barclay, Robert.  Ducktown : Back in Raht's Time.  Chapel Hill: The University of North Carolina Press, 1946.

Copper Basin ore mining, 1843-1987.  Benton, TN: Polk County Pub., 1995.

Daniels, Karen. Tennessee's Historic Copper Basin Area : An Overview. Benton, TN: Polk County Pub., 1985.

Donelly, Ralph W.  “Confederate Copper.” Civil War History I (Dec 1955), - 359 +.

Maury, Matthew Fontaine.  The Polk County Copper Company of Tennessee; its mineral resources and mining
    prospects.  New Orleans: Printed at the Bulletin book and job office, 1859.

Shepard, Charles Upham.  Report of Charles Upham Shepard, on the Ducktown copper region and the mines of
    the Union Consolidated Mining Company, of Tennessee.  Charleston: Walker, Evans, 1859.

Wilson, A.J.  Confederate History of Polk County, Tennessee 1860-1866.  Benton, TN:  Polk County Publishing,

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