Correspondence received by Thomas Lincoln Casey, December 1873 Correspondence received by Thomas Lincoln Casey, 1873 Correspondence received by Thomas Lincoln Casey, January 1874 Correspondence received by Thomas Lincoln Casey, Febuary 1874 Correspondence received by Thomas Lincoln Casey, March 1874 Correspondence received by Thomas Lincoln Casey, April 1874 Correspondence received by Thomas Lincoln Casey, May 1874 Correspondence received by Thomas Lincoln Casey, June 1874 Correspondence received by Thomas Lincoln Casey, July 1874 Correspondence received by Thomas Lincoln Casey, August 1874 Correspondence received by Thomas Lincoln Casey, September 1874 Correspondence received by Thomas Lincoln Casey, October 1874 Correspondence received by Thomas Lincoln Casey, November 1874 Correspondence received by Thomas Lincoln Casey, December 1874 Correspondence received by Thomas Lincoln Casey, January 1875 Correspondence received by Thomas Lincoln Casey, Febuary 1875 Correspondence received by Thomas Lincoln Casey, March 1875 Correspondence received by Thomas Lincoln Casey, April 1875 Correspondence received by Thomas Lincoln Casey, May 1875 Correspondence received by Thomas Lincoln Casey, June 1875 Correspondence received by Thomas Lincoln Casey, July 1875 Correspondence received by Thomas Lincoln Casey, August 1875 Correspondence received by Thomas Lincoln Casey, September 1875 Correspondence received by Thomas Lincoln Casey, 1862 Correspondence received by Thomas Lincoln Casey, 1863 Correspondence received by Thomas Lincoln Casey, 1864 Correspondence received by Thomas Lincoln Casey, 1865 Correspondence received by Thomas Lincoln Casey, 1866 Correspondence received concerning his investment in California mining companies, 1862-1867 Correspondence received by Thomas Lincoln Casey, 1867 Correspondence received by Thomas Lincoln Casey, January 1868 Correspondence received by Thomas Lincoln Casey, February 1868 Correspondence received by Thomas Lincoln Casey, March 1868 Correspondence received by Thomas Lincoln Casey, April 1868 Correspondence received by Thomas Lincoln Casey, May 1868 Correspondence received by Thomas Lincoln Casey, June 1868 Correspondence received by Thomas Lincoln Casey, July 1868 Correspondence received by Thomas Lincoln Casey, August 1868 Correspondence received by Thomas Lincoln Casey, September 1868 Correspondence received by Thomas Lincoln Casey, October 1868 Correspondence received by Thomas Lincoln Casey, November 1868 Correspondence received by Thomas Lincoln Casey, December 1868 Correspondence received by Thomas Lincoln Casey, January 1869 Correspondence received by Thomas Lincoln Casey, February 1869 Correspondence received by Thomas Lincoln Casey, March 1869 Correspondence received by Thomas Lincoln Casey, April 1869 Correspondence received by Thomas Lincoln Casey, May 1869 Correspondence received by Thomas Lincoln Casey, June 1869 Correspondence received by Thomas Lincoln Casey, July 1869 Correspondence received by Thomas Lincoln Casey, August 1869