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)

Thomas Lincoln Casey Notes: Meeting of Board of Engineers, July 5, 1887 (2)

Thomas Lincoln Casey to [Stephen] B. Elkins, July 27, 1892; John Tweedale's response to Thomas Lincoln Casey on behalf of [Stephen] B. Elkins, July 27, 1892

Thomas Lincoln Casey to [unknown senator], September 7, 1890, copy

Thomas Lincoln Casey to [unknown senator], September 7, 1890, draft

Thomas Lincoln Casey to [William Crowninshield Endicott], March 3, 1888, copy

Thomas Lincoln Casey to [William] T. Rossell, February 14, 1891, draft

Thomas Lincoln Casey, Members of the Washington Monument Society, undated [January] 1878

Thomas Lincoln Casey, Memorandum - about bone dust, undated [1877]

Thomas Lincoln Casey, Memorandum - bone dust manufactoring, undated [1877]

Thomas Lincoln Casey, Memorandum - Clay deposited in the white lot, December 1, 1877

Thomas Lincoln Casey, Memorandum - clay payment notes, December 15, 1877

Thomas Lincoln Casey, Memorandum - Draughtsmen employed in this office, June 19, 1877

Thomas Lincoln Casey, Memorandum - Estimated cost of area walls and coal vaults for the east and south wings, November 24, 1877

Thomas Lincoln Casey, Memorandum - John Cadmore, December 31, 1877

Thomas Lincoln Casey, Memorandum - Money appropriated for New Building, December 15, 1877

Thomas Lincoln Casey, Memorandum - notes concerning sand at State October 1877

Thomas Lincoln Casey, Memorandum - Notes on mahogany doors, East Wing, November 20, 1877

Thomas Lincoln Casey, Memorandum - Plants delivered to Senators, October 1, 1877

Thomas Lincoln Casey, Memorandum - Plants delivered to [Congressional] members from October 1, 1877

Thomas Lincoln Casey, Memorandum - reservations top-dressed by bone dust, undated [1877]

Thomas Lincoln Casey, Memorandum - Sawing, December 1877

Thomas Lincoln Casey, Memorandum - Trees planted in October 1877

Thomas Lincoln Casey, Memorandum about Mrs. Preston, December 26, 1877

Thomas Lincoln Casey, Memorandum concerning price of gas, undated [1877]

Thomas Lincoln Casey, Memorandum concerning workers of 1877