W. P. Ballinger to Thomas Lincoln Casey, December 15, 1884

W. P. Duvall to Thomas Lincoln Casey, August 4, 1888

W. P. Hepburn to A. C. Matthews, August 17, 1889

W. P. Hepburn to A. C. Matthews, August 17, 1889, copy

W. P. McCann to Thomas Lincoln Casey, December 31, 1885

W. P. Thornbridge to Thomas Lincoln Casey, November 3, 1890

W. P. Trowbride to Thomas Lincoln Casey, March 10, 1885

W. P. Trowbridge to Thomas Lincoln Casey , February 2, 1887

W. P. Trowbridge to Thomas Lincoln Casey, August 3, 1888

W. P. Trowbridge to Thomas Lincoln Casey, July 31, 1888

W. R. Babcock to Thomas Lincoln Casey, August 2, 1888

W. R. Livermore to Thomas Lincoln Casey, August 14, 1888

W. R. Livermore to Thomas Lincoln Casey, August 3, 1888

W. R. Livermore to Thomas Lincoln Casey, October 31, 1887

W. S. Cox to Thomas Lincoln Casey, undated [November 1889]

W. S. Larner to Thomas Lincoln Casey, March 28, 1885

W. S. Nason to Thomas Lincoln Casey, March 7, 1885

W. S. Rosecrans, Treasury Department to Thomas Lincoln Casey, May 29, 1891

W. S. Shallenberger to Thomas Lincoln Casey, February 7, 1878

W. S. Shallenberger to Thomas Lincoln Casey, June 6, 1879

W. Scott West to Thomas Lincoln Casey, February 19, 1890

W. Sherman to Thomas Lincoln Casey, May 28, 1885

W. Smith to Thomas Lincoln Casey, November 21, 1891

W. Smith to Thomas Lincoln Casey, October 9, 1891

W. W. Corcoran to Hon John S. Barber, February 1, 1887, copy

W. W. Gelatt to Barnard, April 9, 1878

William P. Craighill to Thomas Lincoln Casey, May 22, 1891; Bixby to Craighill, May 21, 1891

William P. Duvall to Thomas Lincoln Casey, June 15, 1885

William P. Frye to Thomas Lincoln Casey, February 28, 1891, telegram

William P. Frye to Thomas Lincoln Casey, March 28, 1888

William Palmer Hopkins to Thomas Lincoln Casey, June 22, 1885

William Palmer Hopkins to Thomas Lincoln Casey, June 28, 1885

William R. Babcock to Thomas Lincoln Casey, February 4, 1885

William R. Babcock to Thomas Lincoln Casey, October 1, 1884

William R. Davis to Thomas Lincoln Casey, undated [1877]

William Richardson to Thomas Lincoln Casey, April 7, 1885

William Rossell to Thomas Lincoln Casey, October 27, 1891

William Tindall to Thomas Lincoln Casey, February 3, 1885 (1)

William Tindall to Thomas Lincoln Casey, February 3, 1885 (2)

William Tindall to Thomas Lincoln Casey, February 4, 1885

William Whelan to Thomas Lincoln Casey, October 16, 1869

William [Tecumseh] Sherman to the Keeper - Washington Aquaduct, May 22, 1878, telegram

Willliam Cabell to Thomas Lincoln Casey, February 18, 1885

Wilson Vance and [Augustus] Watson to Thomas Lincoln Casey, June 12, 1879

Wimer to Dr. Barnard, November 29, 1877

Wolf Class to Thomas Lincoln Casey, November 7, 1888

Women's Christian Association to Thomas Lincoln Casey, April 6, 1878

Woodbury Pulsifer to Thomas Lincoln Casey, January 23, 1890

Woodbury Pulsifer to Thomas Lincoln Casey, January 29, 1890

Work by Edward Pearce Casey - Statement of services rendered, undated