O. H. Ernst to Thomas Lincoln Casey, June 29, 1892 O. L. Pruden to Thomas Lincoln Casey, June 10, 1892 O. L. Pruden to Thomas Lincoln Casey, May 8, 1895 O. L. Pruden to Thomas Lincoln Casey, November 2, 1895 O. M. Carter to Thomas Lincoln Casey, April 1, 1889 O. M. Carter to Thomas Lincoln Casey, June 2, 1889 O. M. Carter to Thomas Lincoln Casey, June 8, 1889 O. M. Carter to Thomas Lincoln Casey, June 9, 1889 Obelisk - calculations for weight, etc., undated Office of Building for State War and Navy Departments - Washington Monument Payment Refunds, November 7, 1887 Office of the Light House Board to Thomas Lincoln Casey, February 28, 1888 Office of the Light-House Board to Thomas Lincoln Casey, April 13, 1888 Office of the Light-House Board to Thomas Lincoln Casey, April 19, 1889 Office of the Light-House Board to Thomas Lincoln Casey, April 28, 1888 Office of the Light-House Board to Thomas Lincoln Casey, February 10, 1888 Office of the Light-house Board to Thomas Lincoln Casey, February 20, 1889 Office of the Light-House Board to Thomas Lincoln Casey, January 10, 1889 Office of the Light-House Board to Thomas Lincoln Casey, January 26, 1888 Office of the Light-House Board to Thomas Lincoln Casey, January 3, 1888 Office of the Light-House Board to Thomas Lincoln Casey, January 30, 1889 Office of the Light-House Board to Thomas Lincoln Casey, June 5, 1888 Office of the Light-house Board to Thomas Lincoln Casey, March 1, 1889 Office of the Light-house Board to Thomas Lincoln Casey, March 15, 1889 Office of the Light-House Board to Thomas Lincoln Casey, March 17, 1888 Office of the Light-House Board to Thomas Lincoln Casey, March 31, 1888 Office of the Light-House Board to Thomas Lincoln Casey, May 10, 1888 Office of the Light-House Board to Thomas Lincoln Casey, May 29, 1888 Office of the National Wire Mattress Co. to Thomas Lincoln Casey, July 16, 1895 Office of the Public Printer to Thomas Lincoln Casey, July 2, 1895 Office of the Public Printer to Thomas Lincoln Casey, July 3, 1895 Officers of a European Squadron, undated Olcott & Olcott to Thomas Lincoln Casey, March 4, 1892 Olcott & Olcott to Thomas Lincoln Casey, March 8, 1892 On file in the War Department, undated Orlando M. McPherson to Thomas Lincoln Casey, March 31, 1895 Orlando M. Poe to Thomas Lincoln Casey, June 26, 1892 Orville E. Babcock to Honorable Hannibal Hamlin, March 16, 1874 P. A. Breen to General [A. A.] Humphreys, October 13, 1870 P. T. Petz [poss.] to Thomas Lincoln Casey, June 15, 1855 P. T. Turnley to Thomas Lincoln Casey, February 7, 1888 Page & Bankes to Thomas Lincoln Casey, March 28, 1856 Paine to Thomas Lincoln Casey, June 11, 1863 Paine to Thomas Lincoln Casey, June 14, 1863 Parson to Thomas Lincoln Casey, January 3, 1889, telegram Patrick Henry to Thomas Lincoln Casey, May 16, 1893 Patrick O'Neal to Thomas Lincoln Casey, January 31, 1881 Paul Dahlgren to Thomas Lincoln Casey, March 25, 1873 Paymaster [Charles] Larned to Thomas Lincoln Casey, December 6, 1873 Peter C. Hains to Thomas Lincoln Casey, April 10, 1892 Peter C. Hains to Thomas Lincoln Casey, April 3, 1888