L. P. Morton to Thomas Lincoln Casey, March 8, 1889

L. R. Hamersly to Thomas Lincoln Casey, April 14, 1892

L. R. Hamersly to Thomas Lincoln Casey, May 18, 1892 [1]

L. R. Hamersly to Thomas Lincoln Casey, May 18, 1892 [2]

L. R. Hamersly to Thomas Lincoln Casey, May 21, 1892

L. R. Hammersly to Thomas Lincoln Casey, February 10, 1892

L. R. P. Rogers to Thomas Lincoln Casey, July 18, 1882

Laidley to Thomas Lincoln Casey, November 8, 1879

Larkin G. Mead to Thomas Lincoln Casey, February 3, 1885

Larkin G. Mead to Thomas Lincoln Casey, February 7, 1882

Larkin G. Mead to Thomas Lincoln Casey, January 6, 1882

Larkin G. Mead to Thomas Lincoln Casey, June 7, 1881

Larkin G. Mead to Thomas Lincoln Casey, May 15, 1882

Larkin G. Mead to Thomas Lincoln Casey, May 22, 1888

Latitude of West Point, May 21, 1851

Lavinia Ream Hoxie to Thomas Lincoln Casey, April, 15, 1893

Lawrence Bradford to Thomas Lincoln Casey, February 17, 1894

Lecomt to Thomas Lincoln Casey, August 20, 1855

Lecomt to Thomas Lincoln Casey, August 25, 1855

Lecomt to Thomas Lincoln Casey, June 11, 1855

Lecomt to Thomas Lincoln Casey, June 14, 1855

Lecomt to Thomas Lincoln Casey, June 18, 1855

LeComt to Thomas Lincoln Casey, May 31, 1855

Lee to Thomas Lincoln Casey, August 9, 1886

Louisa Seymour to Thomas Lincoln Casey, January 13, 1892

Louisa Seymour to Thomas Lincoln Casey, January 29, 1892

Louisa Seymour to Thomas Lincoln Casey, January 5, 1892

Louisa Seymour to Thomas Lincoln Casey, January 8, 1892

Louisa Seymour to Thomas Lincoln Casey, July 14, 1893

Louisa Seymour to Thomas Lincoln Casey, June 17, 1895

Louisa Seymour to Thomas Lincoln Casey, June 19, 1894

Louisa Seymour to Thomas Lincoln Casey, June 22, 1893

Louisa Seymour to Thomas Lincoln Casey, June 3, 1895

Louisa Seymour to Thomas Lincoln Casey, March 19, 1892

Louisa Seymour to Thomas Lincoln Casey, March 24, 1892

Louisa Seymour to Thomas Lincoln Casey, March 6, 1892

Louisa Seymour to Thomas Lincoln Casey, May 2, 1892

Louisa Seymour to Thomas Lincoln Casey, May 24, 1892

Louisa Seymour to Thomas Lincoln Casey, May 28, 1892

Louisa Seymour to Thomas Lincoln Casey, October 23, 1893

Louisa Seymour to Thomas Lincoln Casey, October 24, 1893

Louisa Seymour to Thomas Lincoln Casey, October 26, 1893, telegram

Louisa Seymour to Thomas Lincoln Casey, September 7, 1895

Louisa Seymour to Thomas Lincoln Casey, telegram; May 30, 1892

Louise Casey to E. Samson, February 8, 1893

Louise Casey to E. Samson, January 12, 1893

Louise Seymour to Emma Weir Casey, July 27, 1895

Louise Seymour to Thomas Lincoln Casey, August 3, 1895

Lousia Seymour and [Truman] Seymour to Emma Weir Casey, July 15, 1871

Lt. James A. Leyden to Thomas Lincoln Casey, July 17, 1881