Professor H. L. Kendrick to Thomas Lincoln Casey, June 21, 1872

Professor J. B. Wheeler to Thomas Lincoln Casey, June 14, 1872

Professor Robert W. Weir to Thomas Lincoln Casey, April 8, 1872

Professor S. E. Tillman to Thomas Lincoln Casey, May 10, 1889

Professor S. E. Tillman to Thomas Lincoln Casey, May 6, 1889

Professor [Dennis] H. Mahan to Thomas Lincoln Casey, March 15, 1871

Professor [George] F. Andrews to Thomas Lincoln Casey, July 13, 1882

Project for Military Engineer Corps, May 15, 1862

Project of Expendition of 1st 150,000 and probable work calling can do, June 1880

Promulgation of Army Regulations, May 13, 1874, report

Prospectus: Army and Navy Agency, September 13, 1881

Public Printer to Thomas Lincoln Casey, November 20, 1895

Quantity and Average Cost of Materials used in Foundation of Monument, June 20, 1880

Quantity of Wood on [illegible] Platforms, July 22, 1884

R to Thomas Lincoln Casey, June 2, 1863

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

R. L. Gibson to President Grover Cleveland, June 7, 1888

R. L. Gibson to Thomas Lincoln Casey, November 12, 1878

R. Murray to Thomas Lincoln Casey, May 1, 1886

R. N. S. Dunster to Emma, March 7, 1886

R. O. S [?], undated [November 1881]

R. P. Thian to Thomas Lincoln Casey, November 30, 1886

R. Ross Perry to Thomas Lincoln Casey, February 25, 1893

R. Ross Perry to Thomas Lincoln Casey, January 24, 1895

R. S. Chew to Thomas Lincoln Casey, June 1873

R. T. Brown to Thomas Lincoln Casey, June 27, 1892

R. T. W. Duke to Thomas Lincoln Casey, May 10, 1882

R. W. Meade to Thomas Lincoln Casey, April 15, 1886

Sadie Gould to Thomas Lincoln Casey, September 2, 1882