Thomas Greene to Thomas Lincoln Casey, February 2, 1885 Thomas Greene to Thomas Lincoln Casey, July 11, 1888 Thomas Greene to Thomas Lincoln Casey, May 6, 1887 Thomas Greene to Thomas Lincoln Casey, September 11, 1883 Thomas Harvey to Thomas Lincoln Casey, December 24, 1869 (1) Thomas Harvey to Thomas Lincoln Casey, December 24, 1869 (2) Thomas Harvey to Thomas Lincoln Casey, December 31, 1869 Thomas Harvey to Thomas Lincoln Casey, January 3, 1869 Thomas Harvey to Thomas Lincoln Casey, November 16, 1869 Thomas Harvey to Thomas Lincoln Casey, November 9, 1869 Thomas Harvey to Thomas Lincoln Casey, October 16, 1869 (1) Thomas Harvey to Thomas Lincoln Casey, October 16, 1869 (2) Thomas Harvey to Thomas Lincoln Casey, October 5, 1869 (1) Thomas Harvey to Thomas Lincoln Casey, October 5, 1869 (2) Thomas J. Gould to Thomas Lincoln Casey, December 15, 1883 Thomas J. Gould to Thomas Lincoln Casey, February 10, 1883 Thomas J. Gould to Thomas Lincoln Casey, November 14, 1888 Thomas J. Gould to Thomas Lincoln Casey, November 21, 1887 Thomas J. Gould to Thomas Lincoln Casey, October 20, 1884 Thomas J. Gould to Thomas Lincoln Casey, September 20, 1884 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] Smith S. Leach to Thomas Lincoln Casey, December 17, 1892