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

Wilson J. Vance to Colonel P. H. Scott, February 21, 1881

Winifred Scott Hancock to Thomas Lincoln Casey, January 23, 1882

Winslow Warren to Thomas Lincoln Casey, February 16, 1894

Winslow Warren to Thomas Lincoln Casey, February 26, 1894

Winslow Warren to Thomas Lincoln Casey, June 27, 1894

Winslow Warren to Thomas Lincoln Casey, March 2, 1894

Wolcott Gibbs to Thomas Lincoln Casey, November 19, 1895

[Abner] H. Merrill to Thomas Lincoln Casey, June 15, 1872

[Abner] H. Merrill to Thomas Lincoln Casey, June 6, 1872

[Absalom] Baird to Thomas Lincoln Casey, April 1, 1895

[Admiral] Silas Casey to Thomas Lincoln Casey, March 27, 1893

[Ainsworth Rand] Spofford to Thomas Lincoln Casey, June 23, 1881

[Alanson] Lapham to Thomas Lincoln Casey, December 13, 1871

[Albert] F. Childs to Colonel Rockwell, June 29, 1881

[Alexander] Ramsey to Thomas Lincoln Casey, April 8, 1880

[Alexander] Ramsey to Thomas Lincoln Casey, March 12, 1880

[Alexander] S. Webb to Thomas Lincoln Casey, February 1, 1893

[Alonzo] Bell to Thomas Lincoln Casey, February 26, 1880

[Amos] Stickney to Thomas Lincoln Casey, June 12, 1873

[Amos] Stickney to [James C.] Post, March 6, 1889

[Arthur] P. Gorman to Thomas Lincoln Casey, February 16, 1889

[B. T. Wilbourn] to Thomas Lincoln Casey, January 11, 1895

[Benjamin Alvord] to [Wiliam W. Belknap], April 28, 1875, copy

[Benjamin] Perley Poore to Thomas Lincoln Casey, May 19, 1882

[Benjamin] W. Goodale to Thomas Lincoln Casey, May 30, 1892

[Bernard F]. Green to Thomas Lincoln Casey, undated [February 1882]

[Bernard R.] Green to Thomas Lincoln Casey, April 15, 1889

Unknown, undated