W. E. Bailey to Thomas Lincoln Casey, July 8, 1889

W. E. Benjamin to Thomas Lincoln Casey, October 13, 1892

W. E. Merrill to Thomas Lincoln Casey, April 25, 1890

W. E. Niblack to Thomas Lincoln Casey, April 5, 1890

W. E. Niblack to Thomas Lincoln Casey, December 28, 1885

W. E. Niblack to Thomas Lincoln Casey, March 28, 1890

W. E. Niblack to Thomas Lincoln Casey, May 3, 1890

W. Emory to Thomas Lincoln Casey, January 25, 1896

W. F. Smith to Thomas Lincoln Casey, January 17, 1885

W. G. Gallant to Mr. Harvey, December 30, 1869

W. H. Armstrong to Thomas Lincoln Casey, February 5, 1885

W. H. Bailey to Thomas Lincoln Casey, June 19, 1877

W. H. Bixby to Thomas Lincoln Casey, August 12, 1890

W. H. Bixby to Thomas Lincoln Casey, August 26, 1890

W. H. Bixby to Thomas Lincoln Casey, September 2, 1890

W. H. Crain to Thomas Lincoln Casey, February 10, 1890

W. H. Crain to Thomas Lincoln Casey, July 10, 1891, telegram

W. H. Crok to Thomas Lincoln Casey, January 3, 1885

W. H. H. Miller to Stephen Benton Elkins; copy to Thomas Lincoln Casey, August 30, 1892

W. H. Kell to Thomas Lincoln Casey February 4, 1891; Thomas Lincoln Casey to M. C. Martin, February 9, 1891; Thomas Lincoln Casey to Kell, February 9, 1891

W. H. Kell to Thomas Lincoln Casey, April 13, 1891

W. H. Kell to Thomas Lincoln Casey, February 11, 1891

W. H. Kell to Thomas Lincoln Casey, January 11, 1891

W. H. Kell to Thomas Lincoln Casey, January 22, 1891

Thomas Turtle to Thomas Lincoln Casey, May 2, 1888

Thomas Turtle to Thomas Lincoln Casey, October 4, 1888

Thomas Turtle to Thomas Lincoln Casey, October 5, 1888

Thomas W. Ferry to Thomas Lincoln Casey, undated [1877]

Thomas W. Seymour to Thomas Lincoln Casey, undated [1885]

Thomas Ward, Special Orders 194, August 22, 1889 (1)

Thomas Ward, Special Orders 194, August 22, 1889 (2)

Thornton Jenkins Hains to Redfield Proctor, Secretary of War, October 8, 1891, copy

Thorton A. Washington to Thomas Lincoln Casey, December 12, 1890

Thurston B. Barber to Thomas Lincoln Casey, November 20, 1887

Tillson's Bid/Papers connected with letter of July 27, 1883

To the Board of Consulting Engineers from Thomas Lincoln Casey, etc., January 17, 1896

Tornado District Map, undated

Townsend to Thomas Lincoln Casey, June 2, 1890

Treasury Department to Thomas Lincoln Casey, August 30, 1888

Treasury Department to Thomas Lincoln Casey, September 4, 1888

Treasury Department, Light-House Board to Thomas Lincoln Casey, December 1, 1891

Treasury Department, Office of Iight-House Board to Thomas Lincoln Casey, April 7, 1891

Treasury Department, Office of Light-House Board to Thomas Lincoln Casey, January 28, 1891

Treasury Department, Office of Light-House Board to Thomas Lincoln Casey, May 20, 1891

Treasury Department, Office of Secretary, undated [April 1891]

Treasury Department, Office of the Light-House Board to Thomas Lincoln Casey, August 18, 1890

Treasury Department, Office of the Light-House Board to Thomas Lincoln Casey, August 21, 1890

Treasury Department, Office of the Light-House Board to Thomas Lincoln Casey, January 2, 1891

Treasury Dept to Thomas Lincoln Casey, February 17, 1885

Treasury Dept. Light-house Board to Thomas Lincoln Casey, November 24, 1890