M. M. Magander to Thomas Lincoln Casey, undated (2)[1878]

M. M. Magander to Thomas Lincoln Casey, undated [December 1878]

M. Pechin to Thomas Lincoln Casey, July 19, 1895

M. R. Brown to Thomas Lincoln Casey, October 6, 1868

M. R. Brown to Thomas Lincoln Casey, September 27, 1868

M. Romero to Thomas Lincoln Casey, January 18, 1894

M. S. Baxter to Dr. W. T. Barnard, November 19, 1878

M. S. Logan to Thomas Lincoln Casey, February 27, 1880

M. Turner to Thomas Lincoln Casey, February 2, 1882

M. Vetillart to Thomas Lincoln Casey, July 6, 1893

M. Vetillart to Thomas Lincoln Casey, June 9, 1893

M. Vetillart to Thomas Lincoln Casey, May 8, 1894

Magurder & [illegible] to Thomas Lincoln Casey, undated [1878]

Maj. [John] W. Barlow to Thomas Lincoln Casey, August 22, 1881

Major Amos Stickney to Thomas Lincoln Casey, October 27, 1868

Major C. Seaworth Stewart to Thomas Lincoln Casey, April 20, 1871

Major Charles F. Powell to Thomas Lincoln Casey, July 16, 1895

Major D. P. Heap to Thomas Lincoln Casey, May 12, 1893

Major General J. L. Chamberlain, January 25, 1882, circular

Major General [Godfrey] Weitzel to Thomas Lincoln Casey, January 2, 1882

Major George H. Elliot to Thomas Lincoln Casey, December 29, 1870

Major George H. Elliot to Thomas Lincoln Casey, February 19, 1873

Major George H. Elliot to Thomas Lincoln Casey, February 5, 1870 (1)

Major George H. Elliot to Thomas Lincoln Casey, February 5, 1870 (2)

Major George H. Elliot to Thomas Lincoln Casey, January 1870 (1)

Major George H. Elliot to Thomas Lincoln Casey, January 1870 (2)

Major George H. Elliot to Thomas Lincoln Casey, January 21 1870

Major George H. Elliot to Thomas Lincoln Casey, January 29, 1873

Major George H. Elliot to Thomas Lincoln Casey, January 6, 1870

Major George H. Elliot to Thomas Lincoln Casey, January 8, 1874

Major George H. Elliot to Thomas Lincoln Casey, July 1872 (1)

Major George H. Elliot to Thomas Lincoln Casey, July 1872 (2)

Major George H. Elliot to Thomas Lincoln Casey, July 28, 1870

Major George H. Elliot to Thomas Lincoln Casey, July 5, 1870

Major George H. Elliot to Thomas Lincoln Casey, July 9, 1870

Major George H. Elliot to Thomas Lincoln Casey, June 29, 1868

Major George H. Elliot to Thomas Lincoln Casey, June 9,1870

Major George H. Elliot to Thomas Lincoln Casey, May 24, 1870

Major George H. Elliot to Thomas Lincoln Casey, undated [1873]

Major Harwood to Thomas Lincoln Casey, November 13, 1872

Major Henry M. Robert to Thomas Lincoln Casey, June 2, 1871

Major J. W. King to Thomas Lincoln Casey, December 1871

Major James A. Smith to Thomas Lincoln Casey, April 20, 1876

Major James A. Smith to Thomas Lincoln Casey, November 6, 1876

Major James F. Gregory to Thomas Lincoln Casey, June 12, 1888

Major James F. Gregory to Thomas Lincoln Casey, June 22, 1888

Major James F. Gregory to Thomas Lincoln Casey, June 28, 1888

Major Jared A. Smith to Thomas Lincoln Casey, October 22, 1873

Major John M. Wilson to Thomas Lincoln Casey, August 9, 1872

Memorandum about Concrete Beams, October 20, 1879