T. L. Merchant/S. L. Merchant & Co. to Thomas Lincoln Casey, July 21, 1873

T. P. Cleaves on behalf of Senator Allison to Thomas Lincoln Casey, February 11, 1893, telegram

T. P. Cleaves, Senate Sub-Committee on Fortification Appropriation to Thomas Lincoln Casey to Thomas Lincoln Casey, January 18, 1893, telegram

T. W. Powers to Thomas Lincoln Casey, January 21, 1856

Table showing result of test for compressive strength, May 7, 1881

Tests for cross breaking of concrete beams, January 27, 1882

Th. Hoech to Thomas Lincoln Casey, January 9, 1893

The Century Association to Thomas Lincoln Casey, February 4, 1888

The Century Association, December 1, 1894

The Century Club to Thomas Lincoln Casey, March 24, 1892

The Evening Star to Thomas Lincoln Casey, June 13, 1882

The Liverpool & London & Globe Insurance Co. to Thomas Lincoln Casey, February 1, 1894

The National Bank of the Republic to Thomas Lincoln Casey, June 29, 1886

The National Bank of the Republic to Thomas Lincoln Casey, June 3, 1886

The Officers Now in the Corps of Engineers, January 1, 1872

The Popular Shore Line Route, undated [July 1881]

The Public Service Review to Thomas Lincoln Casey, February 12, 1889 (1)

The Public Service Review to Thomas Lincoln Casey, February 12, 1889 (2)

The Public Service Review to Thomas Lincoln Casey, January 14, 1889

The Sinclair to Thomas Lincoln Casey, September 4, 1893

Theo [illegible] Hoech to Thomas Lincoln Casey, May, 22, 1895

Theodore A. Bingham to Thomas Lincoln Casey, March 27, 1894

Theodore B. Samo to Thomas Lincoln Casey, April 10, 1880, report

Theodore B. Samo to Thomas Lincoln Casey, August 11, 1880

Theodore B. Samo to Thomas Lincoln Casey, August 25, 1881

Theodore B. Samo to Thomas Lincoln Casey, August 29, 1881

Theodore B. Samo to Thomas Lincoln Casey, February 13, 1881

Theodore B. Samo to Thomas Lincoln Casey, January 5, 1881

R. B. Bowler to Thomas Lincoln Casey, October 12, 1894; copy

R. C. Drum to Thomas Lincoln Casey, April 3, 1888, circular

R. C. Drum to Thomas Lincoln Casey, December 13, 1886, circular

R. C. Drum to Thomas Lincoln Casey, February 8, 1886

R. C. Drum to Thomas Lincoln Casey, January 14, 1889

R. C. Drum to Thomas Lincoln Casey, March 14, 1882

R. C. Drum, July 1, 1882, circular (1)

R. C. Drum, July 1, 1882, circular (2)

R. C. Drum, Special Orders, April 12, 1888

R. C. Drum, Special Orders, June 18, 1888

R. C. Drum, Special Orders, June 19, 1888

R. D. Clark to Thomas Lincoln Casey, October 13, 1873

R. H. Clarke to Thomas Lincoln Casey, February 2, 1893

R. H. Clarke to Thomas Lincoln Casey, January 22, 1894

R. H. Tilley to Thomas Lincoln Casey, April 10, 1893

R. H. Tilley to Thomas Lincoln Casey, January 14, 1892

R. H. Tilley to Thomas Lincoln Casey, January 30, 1893

R. H. Tilley to Thomas Lincoln Casey, January 5, 1893

R. H. Tilley to Thomas Lincoln Casey, July 10, 1895

R. H. Tilley to Thomas Lincoln Casey, October 25, 1886

R. H. Tilley to Thomas Lincoln Casey, October 9, 1882

R. Hammett Tilley to Thomas Lincoln Casey, June 14, 1894