Thomas J. Peirce to Thomas Lincoln Casey, March 21, 1885

Thomas L. Gould to Thomas Lincoln Casey, January 23, 1885

Thomas Lincoln Casey - Water levels in January 1871, undated

Thomas Lincoln Casey - Notes made at Buffalo, June 14, 1887

Thomas Lincoln Casey Calculations - Cellar, basement, sub-basement stone measurements, undated [1882-1884]

Thomas Lincoln Casey Calculations - North and West Wings, undated [1882-1884]

Thomas Lincoln Casey draft of letter to Secretary of War, Stephen Benton Elkins, August 12, 1892

Thomas Lincoln Casey drafts, undated [August 1892]

Thomas Lincoln Casey Jr. Report, January 18, 1879

Thomas Lincoln Casey Jr. to Thomas Lincoln Casey, April 18, 1883

Thomas Lincoln Casey Memorandum - Balance of Appropriation available for Completion of Washington Monument, December 8, 1883

Thomas Lincoln Casey Memorandum - Levels of foot of buttresses and foot of monument, July 5, 1883

Thomas Lincoln Casey Memorandum - untitled notes, undated [July 1883]

Thomas Lincoln Casey Memorandum, August 22, 1888

Thomas Lincoln Casey Memorandum, August 27, 1889, draft

Thomas Lincoln Casey Notebook Excerpt, June 29-July 12, 1889

Thomas Lincoln Casey Notes - Draft of Inscription, undated

Thomas Lincoln Casey Notes - Heights of the Spires of Cathedral of Cologne and Stasburgh Cathedral, undated [1882-1884]

Thomas Lincoln Casey notes - J. W. Thompson on order, undated [1885]

Thomas Lincoln Casey Notes - Washington Monument Society [1890]

Thomas Lincoln Casey Notes - [Arc de Tromphe], undated

Thomas Lincoln Casey notes, January 2, 1886

Thomas Lincoln Casey notes, June 8, 1878

Thomas Lincoln Casey notes, May 20, 1870

Thomas Lincoln Casey notes, undated [1877]

Thomas Lincoln Casey notes, undated [January 1887]

Thomas Lincoln Casey notes: 7 page SCC5 line 6, undated

Thomas Lincoln Casey notes: and [illegible] further, undated

Thomas Lincoln Casey notes: Dinner partner pairings, undated [April 1879]

Thomas Lincoln Casey Notes: Meeting of Board of Engineers, July 5, 1887 (1)

Smith S. Leach to Thomas Lincoln Casey, March 24, 1890

Snyder to Thomas Lincoln Casey, March 11, 1885

Sophie Casey to Thomas Lincoln Casey, January 21, 1891

Sophie Casey to Thomas Lincoln Casey, June 10, 1891

Sophie Casey to Thomas Lincoln Casey, March 5, 1887

Sophie Casey to Thomas Lincoln Casey, March 5, 1887, telegram

Sophie Casey to Thomas Lincoln Casey, March 6, 1887, telegram (1)

Sophie Casey to Thomas Lincoln Casey, March 6, 1887, telegram (2)

Sophie Casey to Thomas Lincoln Casey, May 14, 1891

Sophie G. Casey to Emma Casey, August 5, 1891

South Front, Basement, undated

Special Orders from the Headquarters Corps of Engineers, [January] 1887

Spencer F. Baird to Thomas Lincoln Casey, August 22, 1885

St. Elizabeth Asylum to Thomas Lincoln Casey, December 4, 1879

St. Elizabeth Asylum to Thomas Lincoln Casey, October 18, 1879

St. Paul, December 13, 1869

State, War & Navy Building Indebtedness, November 1, 1887

State, War & Navy Building Indebtedness, November 30, 1887

Statement of contract status New England Granite Works, May 14, 1890

Statement of Disbursing Account with the Treasurer U. S, June 30, 1888