D. T. Jones and Cornelius Seely to Thomas Lincoln Casey, December 11, 13, 1869

D. T. Jones and Eugene McCarthy to Thomas Lincoln Casey, December 11, 1869

D. T. Jones and Georg Leecke to Thomas Lincoln Casey, December 13, 1869

D. T. Jones to Thomas Lincoln Casey, July 7, 1869

D. W. Flagler, Chief of Ordinance to Thomas Lincoln Casey, May 4, 1891

D. W. Payne to Thomas Lincoln Casey, August 24, 1869

D. W. Payne to Thomas Lincoln Casey, July 26, 1869

D. W. Rounters to Thomas Lincoln Casey, June 30, 1884

D. Wyatt Aiken to Thomas Lincoln Casey, June 6, 1878

Daily Report of Levels, August 14, 15, 1882

Daly to Thomas Lincoln Casey, telegram, September 19, 1892

Dan Kingman to Thomas Lincoln Casey, July 31, 1890

Dan Winslow & Son to Thomas Lincoln Casey, July 19, 1869

Daniel Maloney to Thomas Lincoln Casey, February 15, 1891

Daniel Winslow & Son to Thomas Lincoln Casey, November 11, 1869

Daniel Winslow & Son to Thomas Lincoln Casey, November 15, 1869

Danish Minister to Thomas Lincoln Casey, October 27, 1892

David Davis to Thomas Lincoln Casey, June 23, 1879

David Greene Haskins, Jr. to Thomas Lincoln Casey, July 20, 1891

David Provoost Thomas to Thomas Lincoln Casey, July 8, 1892

David Wallace to Thomas Lincoln Casey, March 15, 1890

Davidson & Sons to Thomas Lincoln Casey, June 11, 1887, copy

Davis to Thomas Lincoln Casey, January 11, 1883

DeBellgarde to Thomas Lincoln Casey, January 27, 1891

Captain [Frederick] A. Mahan to Thomas Lincoln Casey, June 16, 1887

Captain [Frederick] A. Mahan to Thomas Lincon Casey, April 23, 1887

Captain [Garrett] J. Lydecker to Thomas Lincoln Casey, July 19, 1869

Captain [Garrett] J. Lydecker to Thomas Lincoln Casey, May 15, 1869

Captain [Garrett] J. Lydecker to Thomas Lincoln Casey, May 23, 1869

Captain [George] W. Davis to Thomas Lincoln Casey, April 5, 1879

Captain [George] W. Davis to Thomas Lincoln Casey, August 3, 1879

Captain [George] W. Davis to Thomas Lincoln Casey, March 30, 1884

Captain [William] T. Rossell to Thomas Lincoln Casey, February 12, 1891

Carl F. Palfrey to Thomas Lincoln Casey, July 18, 1887

Carl Just to Thomas Lincoln Casey, March 27, 1891

Carl Schurz to Thomas Lincoln Casey, undated [October 1877]

Caroline Henry to Thomas Lincoln Casey, June 17, 1878

Carrie Mansfield Weir to Thomas Lincoln Casey, April 27, 1885

Carrie Mansfield Weir to Thomas Lincoln Casey, May 20, 1883

Carrie McCrary to Thomas Lincoln Casey, undated [1879]

Cayetano Remero to Thomas Lincoln Casey, March 10, 1885

Century Association to Thomas Lincoln Casey, December 15, 1890

Century Club to Thomas Lincoln Casey, January 30, 1890

Certificate of Deposit, Whelpley to Thomas Lincoln Casey, July 26, 1888

Ch. T. Morse to Thomas Lincoln Casey, July 13, 1869

Chandler to Thomas Lincoln Casey, October 7, 1888

Chap to Thomas Lincoln Casey, June 16, 1879

Chap to Thomas Lincoln Casey, undated [June 1879]

Charles A. Carleton to Thomas Lincoln Casey, January 17, 1884

Charles A. Carleton to Thomas Lincoln Casey, January 19, 1884