W. P. Hepburn to Thomas Lincoln Casey, April 12, 1886

W. R. Babcock to Thomas Lincoln Casey to Thomas Lincoln Casey, October 3, 1881

W. R. Collins to Thomas Lincoln Casey, February 13, 1889

W. R. Hutton to Thomas Lincoln Casey, May 16, 1894

W. R. Hutton to Thomas Lincoln Casey, October 11, 1894

W. R. Hutton to Thomas Lincoln Casey, September 11, 1893

W. R. Lapham to Thomas Lincoln Casey, September 22, 1882

W. R. Thomas to Thomas Lincoln Casey, July 17, 1893

W. Riley Deeble to Thomas Lincoln Casey, December 6, 1894

W. S. Moore to Thoms Lincoln Casey, June 19, 1889

W. S. Thompson to Thomas Lincoln Casey, July 15, 1893

W. T. Blunt to Thomas Lincoln Casey, January 3, 1892

W. W. B. to Thomas Lincoln Casey, March 2, 1874

W. W. Davis to Thomas Lincoln Casey, undated [1882]

W. W. Granger, May 24, 1882, circular

W. Willard to Thomas Lincoln Casey, December 31, 1878

W. Winthrop to Thomas Lincoln Casey, July 27, 1878

Walker Blaine to Thomas Lincoln Casey, March 17, 1881

Walter Hawkes to Thomas Lincoln Casey, undated [1880]

Walter McFarland to Thomas Lincoln Casey, January 12, 1888

Walter McFarland to Thomas Lincoln Casey, November 22, 1886

War Department Orders to Thomas Lincoln Casey, May 26, 1894

Washburn to Thomas Lincoln Casey, November 20, 1895

Washington Monument - Contingent Expenses, undated

Washington Monument - Estimates of Expenditures, undated

Washington Monument - Water testing report and notes, undated

Washington Monument Cost of Plastering, September 8, 1882

Washington Monument Report of James Renwick Jr. and Robert Mills, October 29, 1879

Washington Monument, Resolutions, April 18, 1888

Washingtonia: Memorials of the Death of George Washington, September 18, 1865

Water Supply Comparison of Plans, March 25, 1882

Weight + [illegible] contents of various parts of the [Monument], May 12

Weight of Gearing for raising stove at [Washington National] Monument, July 23, 1850

Weight of Marble, April 21, 1881

Weight, Pressure and Stability of the Washington Monument, undated

Western Union Telegraph Company to Thomas Lincoln Casey, September 15, 1895

Whitman to Thomas Lincoln Casey, January 16, 1856

Whitter to General Silas Casey, March 28, 1848

Wilkinson Call to Thomas Lincoln Casey, December 23, 1893

Wilkinson Call to Thomas Lincoln Casey, March 9, 1895

Willard to Thomas Lincoln Casey, March 26, 1889, telegram

William A. Mowry to Thomas Lincoln Casey, March 10, 1886

William B. Bate to Thomas Lincoln Casey, December 3, 1894

William B. Webb to Thomas Lincoln Casey, April 23, 1892

William Babcock to Thomas Lincoln Casey, March 4, 1886

William Babcock to Thomas Lincoln Casey, May 24, 1886

William Blackwood to George H. Elliot, December 27, 1865

William Blackwood to George H. Elliot, June 3, 1865

William Blackwood to George H. Elliot, May 29, 1867

Thomas Lincoln Casey, Jr. to Unaddressed, October 18, 1875