Schedule of Cubes of Concrete made for Tests, October 17, 1879

Schedule of Memorial Stones now set in the interim walls of the Washington Monument prior, March 16, 1885

Schedule of Memorial Stones now set in the interim walls of the Washington Monument prior, March 16, 1885.

Scheme [class schedule]

Schuyler Duryee to Thomas Lincoln Casey, April 12, 1892

Scott Werner & Co. to Thomas Lincoln Casey, April 23, 1856

Scott Werner & Co. to Thomas Lincoln Casey, June 7, 1856

Selwyn Z. Borman to Thomas Lincoln Casey, January 28, 1880

Senate committee to Thomas Lincoln Casey, February 16, 1889, telegram

Senate committee to Thomas Lincoln Casey, February 9, 1889, telegram

Senator George Graham Vest to Thomas Lincoln Casey, January 29, 1894

Senator J. B. Beck to Thomas Lincoln Casey, January 4, 1888

Richard L. Hoxie to Thomas Lincoln Casey, undated [1880]

Richard M. Hunt to Thomas Lincoln Casey, January 15, 1882

Richard Ward Green to Thomas Lincoln Casey, September 5, 1894

Richard Ward Greene to Thomas Lincoln Casey, August 18, 1894

Richard Ward Greene to Thomas Lincoln Casey, August 23, 1894

Richard Ward Greene to Thomas Lincoln Casey, May 15, 1893

Richard Ward Greene to Thomas Lincoln Casey, May 17, 1893

Riggs & Co. to Thomas Lincoln Casey, November 16, 1882

Risheill Hooge to Thomas Lincoln Casey, January 10, 1870

Risheill Hooge to Thomas Lincoln Casey, January 24, 1870, receipt

Robert B. Hunt to Thomas Lincoln Casey, March 16, 1886

Robert C. Winthrop to Thomas Lincoln Casey, December 29, 1881

Robert C. Winthrop to Thomas Lincoln Casey, March 20, 1882

Robert C. Winthrop to Thomas Lincoln Casey, May 16, 1886

Robert C. Wood to Thomas Lincoln Casey, June 21, 1889

Robert Creighton to Thomas Lincoln Casey, August 26, 1881

Robert Creighton to Thomas Lincoln Casey, August 30, 1881

Robert Creighton to Thomas Lincoln Casey, September 2, 1881

Robert Creighton to Thomas Lincoln Casey, September 3, 1881

Robert F. Stevens to General A. A. Humphreys; A. A. Humphreys to Thomas Lincoln Casey, February 20, 1872

Robert F. Weir to Emma Weir Casey, January 22, 1895, telegram

Robert F. Weir to Thomas Lincoln Casey, April 10, 1894, telegram

Robert F. Weir to Thomas Lincoln Casey, April 11, 1894, telegram

Robert F. Weir to Thomas Lincoln Casey, October 12, 1893; Thomas Lincoln Casey to [Henry] M. Adams and H. M. A. to Thomas Lincoln Casey to Thomas Lincoln Casey, October 13, 1893

Robert H. Hunt to Thomas Lincoln Casey, February 25, 1886 (1)

Robert H. Hunt to Thomas Lincoln Casey, February 25, 1886 (2)

Robert H. Hunt to Thomas Lincoln Casey, February 26, 1886

Robert H. Hunt to Thomas Lincoln Casey, June 25, 1888

Robert H. Hunt to Thomas Lincoln Casey, November 9, 1895

Robert Herrick Hunt to Thomas Lincoln Casey, July 13, 1893

Robert J. Stevens to Alexander Ramsey, January 29, 1881

Robert J. Stevens to Alexander Ramsey, January 29, 1881.

Robert J. Stevens to Thomas Lincoln Casey, April 11, 1882

Robert J. Stevens to Thomas Lincoln Casey, December 24, 1873

Robert J. Stevens to Thomas Lincoln Casey, Feburary 27, 1872

Robert J. Stevens to Thomas Lincoln Casey, January 13, 1873

Robert Kirsell to Thomas Lincoln Casey, April 24, 1886

Robert Kirsell to Thomas Lincoln Casey, June 26, 1888