Ellen R. Elliot to Thomas Lincoln Casey, May 20, 1893 (1) Ellen R. Elliot to Thomas Lincoln Casey, May 20, 1893 (2) Elliot Coney to Thomas Lincoln Casey, February 12, 1876 Elliot to Thomas Lincoln Casey, Jr. to Thomas Lincoln Casey, December 30, 1879 Ellis & Curtis to Thomas Lincoln Casey, April 23, 1872 Emily Hastings to Thomas Lincoln Casey, December 31, 1878 Emily Hollingsworth to Thomas Lincoln Casey, March 27, 1882 Emma Delafield to Thomas Lincoln Casey, April 13, 1893 Emma Delafield to Thomas Lincoln Casey, January 10, 1892 Emma Jones to Thomas Lincoln Casey, November 27, 1893 Emma Leslie to Thomas Lincoln Casey, April 9, 1894 Emma Weir Casey to General Silas Casey, c. 1870 Emma Weir Casey to Thomas Lincoln Casey, September 30, 1878 Emmons to Thomas Lincoln Casey, April 4, 1894 Enclosures for General Casey to Thomas Lincoln Casey, August 21, 1893 Enclosures for General Casey to Thomas Lincoln Casey, August 5, 1893 Enclosures for General Casey, August 11, 1893 Envelope - Daniel S. Lamont to Thomas Lincoln Casey, April 13, 1885 Envelope - Report, October 29, 1879 Envelope addressed to Miss Mary Casey, April 21; letter undated from Schele and Noble to Mary Casey Envelope by courier addressed to 1st Lt. E.W. Casey Envelope fragment addressed to cadet Edward Wanton Casey, May 27 Envelope from The Century Association, December 20, 1894 Envelope to Thomas Lincoln Casey, June 29, 1892 Envelope to Thomas Lincoln Casey, June 8, 1888 Envelope with a newspaper article to Thomas Lincoln Casey, April 4, 1894 Envelope with note: Letters + papers in the matter of Envelope, "Tom Lincoln reports", "West Point" EPC to Thomas Lincoln Casey, Jr. to Emma Weir Casey, June 19, 1887 EPC to Thomas Lincoln Casey, Jr. to Thomas Lincoln Casey, October 22, 1892 Eric Bergland to Thomas Lincoln Casey, August 16, 1894 Eric Bergland to Thomas Lincoln Casey, October 18, 1881 Eric Bergland to Thomas Lincoln Casey, October 23, 1881 Error of a watch, May 19th 1851 Esther R. Elliott to Thomas Lincoln Casey, March 22, 1889 Estimate of A. D. Bishop of cost of building the obelisk, February 12, 1849 Estimate of Cost of Obelisk with Square base - 110 feet high, undated Estimate of East Terrace, undated Estimate to [complete] Monument, June 1, 1886 Estimated Cost of Building the Monument, March 1, 1881 Estimated Cost of Strengthening the Foundation of the Washington Natural Monument, undated Estimates of the Superintendants and A. D. Bishop of the cost of the Obelisk, undated Eugene Laurence to Thomas Lincoln Casey, April 10, 1888 Eugene, B. Sanges to Thomas Lincoln Casey, February 1, 1886 Eustace Gibson to Thomas Lincoln Casey, April 21, 1886 Evans to Thomas Lincoln Casey, February 7, 1870, receipt Ewald Schmitt to Thomas Lincoln Casey, August 24, 1881 Exact levels of corners referred, undated Executive Officer, Office of the Commsioners, D. C. to Thomas Lincoln Casey, April 6, 1895 Extract from a recent report to Hon. [Thomas] Ewing, undated, copy