Francis B. Mohun to Thomas Lincoln Casey, October 21, 1889

Francis Fessenden to Thomas Lincoln Casey, August 20, 1884

Francis Fessenden to Thomas Lincoln Casey, August 30, 1890

Francis Fessenden to Thomas Lincoln Casey, February 1, 1890

Francis Fessenden to Thomas Lincoln Casey, February 13, 1890

Francis Fessenden to Thomas Lincoln Casey, July 15, 1888

Francis Fessenden to Thomas Lincoln Casey, July 28, 1887

Francis Fessenden to Thomas Lincoln Casey, March 12, 1887

Francis Fessenden to Thomas Lincoln Casey, October 2, 1887

Francis Fessenden to Thomas Lincoln Casey, September 16, 1891

Francis Fessenden to Thomas Lincoln Casey, September 4, 1888

Francis Fessenden to Thomas Lincoln Casey, Thomas Lincoln Casey, February 8, 1890

Francis H. Van Vechten to Thomas Lincoln Casey, July 7, 1891

Francis T. Bowles to Thomas Lincoln Casey, November 30, 1885

Frank A. Flower to Thomas Lincoln Casey, Febuary 20, 1890

Frank B. Conger to Thomas Lincoln Casey, August 15, 1879

Frank Bolb to Thomas Lincoln Casey, undated [January 1878]

Frank C. Partridge to Thomas Lincoln Casey, July 11, 1892

Frank C. Partridge to Thomas Lincoln Casey, November 21, 1890

Frank Hiscock to Thomas Lincoln Casey, March 16, 1888

Frank M. Ball to Thomas Lincoln Casey, December 19, 1889

Frank M. Ball to Thomas Lincoln Casey, December 23, 1884

Frank M. Ball to Thomas Lincoln Casey, December 31, 1889

Frank M. Ball to Thomas Lincoln Casey, January 13, 1885

Frank M. Ball to Thomas Lincoln Casey, March 3, 1890

Frank N. Larned to Thomas Lincoln Casey, April 23, 1887

Frank. N. Ball to Thomas Lincoln Casey, November 19, 1890

Franklin to Thomas Lincoln Casey, December 11, 1877

Fred A. Crockett to Thomas Lincoln Casey, March 11, 1879

Fred A. Hodson to Thomas Lincoln Casey, May 6, 1878

Fred A. Holden to Thomas Lincoln Casey, June 4, 1877

Fred B. Harris to Thomas Lincoln Casey, November 13, 1890

Fred C. Pierce to Thomas Lincoln Casey, December 1, 1884

Fred C. Pierce to Thomas Lincoln Casey, December 8, 1884

Fred C. Pierce to Thomas Lincoln Casey, May 16, 1887

Fred C. Pierce to Thomas Lincoln Casey, October 5, 1883

Fred F. Nugent to Thomas Lincoln Casey, October 24, 1888

Fred J. Fry to Thomas Lincoln Casey, September 8, 1883

Fred Pierce to Thomas Lincoln Casey, February 20, 1884; Thomas Lincoln Casey to Fred Pierce Feb 22, 1884

Fred Pierce to Thomas Lincoln Casey, February 29, 1884

Frederic V. Abbot to Thomas Lincoln Casey, April 5, 1890

Frederic V. Abbot to [Henry] M. Adams, August 15, 1892

Frederic V. Abbot to [William P. Craighill], January 23, 1890

Frederic V. Abbot to [William P. Craighill], January 29, 1890

Frederick A. Johnson to Thomas Lincoln Casey, March 5, 1885

Frederick A. Mahan to Col. Gregory, May 29, 1891, telegram

Frederick Law Olmsted to Miss [illegible], December 26, 1877

From A Military Dictionary, undated

G. A. Nicolls to Thomas Lincoln Casey, December 8, 1884

Ed. Sutherland to Thomas Lincoln Casey, September 17, 1892