Mary T. Robert to General Silas Casey, May 25, 1881 Mary Wickham Kellogg to Thomas Lincoln Casey, April 30, 1895 Mary [Townsend] Babcock to Thomas Lincoln Casey, October 7, 1880 Massachusetts Society of the Cincinnati to Thomas Lincoln Casey, December 5, 1893 Massachusetts Society of the Cincinnati to Thomas Lincoln Casey, February 20, 1893 Massachusetts Society of the Cincinnati to Thomas Lincoln Casey, February 24, 1894, announcement Massachusetts Society of the Cincinnati to Thomas Lincoln Casey, February 27, 1892 Massachusetts Society of the Cincinnati to Thomas Lincoln Casey, October 23, 1893 Material for Roof, undated Materials received + Services Rendered for Dedication of [Monument], February 21, 1885 Materials received + Services Rendered for Dedication of [Monument], July 21, 1885 Mathematical/Accounting notes, [April 1866] Matilda Casey to Thomas Lincoln Casey, August 1, 1893 Matilda Casey to Thomas Lincoln Casey, February 8, 1886 Matilda Visscher Casey to Thomas Lincoln Casey, April 19, 1892 Matthews & Wilberforce to Thomas Lincoln Casey, May 17, 1894 Max Greene to Thomas Lincoln Casey, May 22, 1888 Maxwell Greene to Thomas Lincoln Casey, August 30, 1894 Maxwell Greene to Thomas Lincoln Casey, December 21, 1855 Maxwell Greene to Thomas Lincoln Casey, December 4, 1894 Maxwell Greene to Thomas Lincoln Casey, June 19, 1895 Maxwell Greene to Thomas Lincoln Casey, November 29, 1894 Mayor Seth Low to General John Newton and Colonel Thomas Lincoln Casey, March 27, 1883, copy Mayor Seth Low to General John Newton and Thomas Lincoln Casey, February 8, 1883, copy Mayor Seth Low to General John Newton, February 28, 1883, copy Mayor Seth Low to Robert Todd Lincoln, November 18 1882 Mayor Seth Low to Thomas Lincoln Casey, December 16, 1882 Mayor Seth Low to Thomas Lincoln Casey, December 16, 1882, telegram Mayor Seth Low to Thomas Lincoln Casey, January 13, 1883, telegram Mayor Seth Low to Thomas Lincoln Casey, March 3, 1883 Mayor Seth Low to Thomas Lincoln Casey, November 16, 1882 Mayor Seth Low to Thomas Lincoln Casey, November 18, 1882 Mayor [William R.] Grace to General John Newton and Thomas Lincoln Casey, December 27, 1882 Mayor [William] R. Grace to General John Newton and Thomas Lincoln Casey, December 27, 1882, copy Measure of a horizontal section, June 1, 1881 Measurement of length of shaft, August 28, 1879 Measurements obtained, August 6, 1880 Mechanics National Bank to Thomas Lincoln Casey, July 15, 1872 Mechanics' National Bank to Thomas Lincoln Casey, May 15, 1894, notice Mem. of Appointments and Promotions, undated [June 1871.] Memoranda - Letter to Hon. James H. Blount, January 31, 1881 Memoranda of Brick Roof and Marble, undated Memoranda of Plumbing on outside of Monument, October 22, 1880 Memoranda of Weight on East and West Sides of Monument Slab, undated Memorandum "Estimate of Cost of Refans to" undated Memorandum "of persons on duty in the East wing of the State, War & Navy building," March 26, 1880 Memorandum - Dimensions of Rock excavation and concrete in Foundation, undated Memorandum - Exhibiting the average rate per diem in wages of stone cutter at Monument from course #470 to 500 feet, July 21, 1884 Memorandum - Level of Top of Corners, undated Note: Letters from Thomas and Silas Casey