Sadie L. Gould to Thomas Lincoln Casey, February 1, 1882 Sam Randall to Thomas Lincoln Casey, April 12, 1875 (1) Sam Randall to Thomas Lincoln Casey, April 12, 1875 (2) Sam Randall to Thomas Lincoln Casey, February 8, 1889 Samuel C. Cobb to Thomas Lincoln Casey, February 22, 1882 Samuel C. Cobb to Thomas Lincoln Casey, February 24, 1882 Samuel C. Cobb to Thomas Lincoln Casey. February 20, 1882 Samuel M. Matson to Thomas Lincoln Casey, May 17, 1856 Samuel Pierce Clark to Thomas Lincoln Casey, January 4, 1856 Samuel Ward Green to Thomas Lincoln Caseye, May 21, 1895 Samuel Ward Greene to Thomas Lincoln Casey, August 18, 1882 Sarah Burlingame Webster to Thomas Lincoln Casey, June 15, 1895 Sarah Burlingame Webster to Thomas Lincoln Casey, June 26, 1895 Sarah N. Barnswell, undated [1882] Sarah N. Randolph to Thomas Lincoln Casey, May 12, 1882, telegram Sarah N. Randolph to Thomas Lincoln Casey, May 19, 1882 Sarah N. Randolph to Thomas Lincoln Casey, May 6, 1882 Savage to Thomas Lincoln Casey, October 5, 1895 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 Senator James Lawrence Pugh to Thomas Lincoln Casey, October 2, 1894 Senator James McMillan to Thomas Lincoln Casey, August 10, 1894 Senator John J. Ingalls to Thomas Lincoln Casey, undated Senator Justin S. Morrill to Thomas Lincoln Casey, December 30, 1878 Senator Kellogg to A. A. Humphreys, May 7, 1872 Senator Orville H. Platt to Thomas Lincoln Casey, December 11, 1894 Senator Sam B. Maxey to Thomas Lincoln Casey, December 20, 1878 Senator W. W. Eaton to Thomas Lincoln Casey, December 5, 1878 Senator [George F.] Edmunds to Thomas Lincoln Casey, September 25, 1878 Senator [George Graham] Vest to Thomas Lincoln Casey, January 27, 1894 Senator [Henry] L. Dawes to Thomas Lincoln Casey, December 19, 1878 Senator [illegible] to Thomas Lincoln Casey, undated [1878] Senator [John S.] Hager to Thomas Lincoln Casey, May 18, 1874 Senator [Justin S.] Morrill to Thomas Lincoln Casey, January 25, 1895 Seth L. Milliken to Thomas Lincoln Casey, February 19, 1894 Settlement of Corrected Foundation, December 6, 1882 Sevaillon A. Brown to Thomas Lincoln Casey, April 30, 1892 Severin Watson to Thomas Lincoln Casey, April 23, 1874 Sewall to Thomas Lincoln Casey, April 19, 1888 Robert W. Weir to Thomas Lincoln Casey, June 18, 1861