Society of the Army of the Potomac to Thomas Lincoln Casey, May 15, 1893

Sophia G. Casey to Thomas Lincoln Casey, June 5, 1881

Sophia G. Casey to Thomas Lincoln Casey, May 28, 1872

Sophia G. Casey to Thomas Lincoln Casey, May 29, 1872

Sophie G. Casey to Thomas Lincoln Casey, May 3, 1872

Spaulding to Thomas Lincoln Casey, February 25, 1870

Specific Gravity of Marble, April 4, 1883

Specifications for bidders for Torpedoes, May 1889

Specifications of Electric Lighting, undated

Speech of Hon. Henry W. Slocum to Thomas Lincoln Casey, February 14, 1871

Spencer F. Baird to Thomas Lincoln Casey, March 31, 1882

Spirito Bernardi to Louisa Seymour, February 24, 1892

Spoffard to Thomas Lincoln Casey, November 15, 1895

St Paul & Duluth R. R. Co. to Thomas Lincoln Casey, June 25, 1889

St. John's Rectory to Thomas Lincoln Casey, January 5, 1892

Stability of the Foundations of the Washington Monument, undated

Statement of Expenditures, June 21, 1881

Statement of the service of Silas Casey, December 29, 1886

Statement of wages that would have been earned during funeral observed of President Garfield, September 1881

Statements of W. S. D. Bishop, February 19, 1849

Stephen A. Northrop to Thomas Lincoln Casey, February 22, 1893

Stephen A. Northrop to Thomas Lincoln Casey, March 31, 1893

Stephen Wing to Thomas Lincoln Casey, October 20, 1886

Stevens to Thomas Lincoln Casey, March 18, 1874

Stillman Saunders to Thomas Lincoln Casey, January 12, 1888

Stillman Saunders to Thomas Lincoln Casey, March 16, 1889

Stillman Saunders to Thomas Lincoln Casey, May 10, 1888

Stillman Saunders to Thomas Lincoln Casey, May 11, 1889

Stone Cutters + [illegible] Wages Earned, undated

Strength of Columns in Monument + Expansion, undated

Stuyvesant Fish to Edward Wanton Casey, December 22, 1869

Stuyvesant Fish to Edward Wanton Casey, July 28, 1869

Stuyvesant Fish to Edward Wanton Casey, October 18, 1869

Subdivision of Expenditures on "Completion," June 1, 1880

Supplemental Circular, undated [February 1886]

Theodore B. Samo to Thomas Lincoln Casey, September 3, 1881

Theodore F. Dwight to Thomas Lincoln Casey, December 10, 1881

Thom Greene to Thomas Lincoln Casey, Jr., July 9, 1887

Thomas Adams to Thomas Lincoln Casey, May 18, 1882

Thomas B. Ward to Thomas Lincoln Casey, April 15, 1886

Thomas Barr to Mrs. R.L. Scott, November 1, 1895

Thomas C. Greene to Thomas Goodale Casey, May 29, 1855 (1)

Thomas C. Greene to Thomas Goodale Casey, May 29, 1855 (2)

Thomas C. Greene to Thomas Lincoln Casey, June 6, 1855

Thomas C. Greene to Thomas Lincoln Casey, June 9, 1882

Thomas C. Greene to Thomas Lincoln Casey, May 17, 1882

Thomas Carbery, Proposals for hauling stone, May 24, 1849

Thomas Casey to Thomas Lincoln Casey, January 30. 1893

Thomas G. Evans to Thomas Lincoln Casey, May 18, 1889

Thomas Goodale Casey to Robert Wallis, February 17, 1855