William Ludlow to Thomas Lincoln Casey, December 2, 1882

William Lundlam to Thomas Lincoln Casey, November 16, 1882

William M. Sweeny to Thomas Lincoln Casey, June 12, 1895

William MacLeod to Thomas Lincoln Casey, undated [June 1881]

William P. Craighill to Thomas Lincoln Casey, June 26, 1895

William P. Craighill to Thomas Lincoln Casey, June 4, 1895

William P. Craighill to Thomas Lincoln Casey, March 29, 1895

William P. Craighill to Thomas Lincoln Casey, October 9, 1893, copy

William P. Craighill to Thomas Lincoln Casey, December 17, 1886

William P. Craighill to Thomas Lincoln Casey, July 25, 1893

William P. Craighill to Thomas Lincoln Casey, July, 24, 1894

William P. Craighill to Thomas Lincoln Casey, November 16, 1894

William P. Craighill to Thomas Lincoln Casey, September 13, 1893

William P. Craighill to Thomas Lincoln Casey, September 30, 1864

William P. Frye to Thomas Lincoln Casey, April 12, 1892

William P. Frye to Thomas Lincoln Casey, April 16, 1892

William P. Frye to Thomas Lincoln Casey, January 21, 1895

William P. Frye to Thomas Lincoln Casey, March 24, 1892

William P. Frye to Thomas Lincoln Casey, May 4, 1888

William Paret, Bishop of Maryland to Thomas Lincoln Casey, January 19, 1893

William R. Babcock to Thomas Lincoln Casey, September 10, 1880

William R. King to Thomas Lincoln Casey, June 17, 1892

William Read & Sons to Thomas Lincoln Casey, July 8, 1872

William S. Teel to Thomas Lincoln Casey, June 24, 1881

William Sprague IV to Thomas Lincoln Casey, June 16, 1862, copy

William T. Sherman to Thomas Lincoln Casey, undated [July 1878]

William W. Belknap to General [A. A.] Humphreys, February 3, 1870

William W. Belknap to [Theodore Fitz Randolph], August 1870

William W. MacFarland to Thomas Lincoln Casey, March 28, 1888

William Ward to Thomas Lincoln Casey, October 12, 1878

William Windom to Thomas Lincoln Casey, March 14, 1881

William [P.] Craighill to Thomas Lincoln Casey, December 11, 1895

William [P.] Craighill to Thomas Lincoln Casey, July 30, 1895

William [P.] Craighill to Thomas Lincoln Casey, July 31, 1895

William [P.] Craighill to Thomas Lincoln Casey, November 27, 1895

William. R. Hutton to Thomas Lincoln Casey, June 30, 1895

[Colonel] G. H. Mendell to Thomas Lincoln Casey, April 22, 1893

[Colonel] G. H. Mendell to Thomas Lincoln Casey, February 27, 1893

[Colonel] G. H. Mendell to Thomas Lincoln Casey, May 15, 1893

[Colonel] Peter C. Hains to Thomas Lincoln Casey, May 26, 1892

[Colonel] Peter C. Hains to Thomas Lincoln Casey, May 5, 1892

[Colonel] Peter Hains to Thomas Lincoln Casey, February 23, 1893

[Cyrus] B. Comstock to Thomas Lincoln Casey, April 16, 1894

[Cyrus] B. Comstock to Thomas Lincoln Casey, April 17, 1893

[Cyrus] B. Comstock to Thomas Lincoln Casey, April 21, 1892

[Cyrus] B. Comstock to Thomas Lincoln Casey, April 26, 1889

[Cyrus] B. Comstock to Thomas Lincoln Casey, April 28, 1892

[Cyrus] B. Comstock to Thomas Lincoln Casey, April 28, 1894

[Cyrus] B. Comstock to Thomas Lincoln Casey, December 4, 1871

[Cyrus] B. Comstock to Thomas Lincoln Casey, December 7, 1893