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 Memorandum about Concrete Beams, October 20, 1879 Memorandum about Hunton, July 19/20, [1881] Memorandum about monthly work on Public Buildings & Grounds, undated [1878] Memorandum about [illegible] of Monument Commission, undated Memorandum concerning Elevator Engine and its velocity + power, undated Memorandum Concerning Frame Work, undated Memorandum concerning Lightning Rods, undated Memorandum concerning the Monumental Column to be Erected at Yorktown, Virginia, July 15, 1880 Memorandum for Lt. Kurtz, undated Memorandum from H. K. Thurber & Co., May 18, 1872 Memorandum from Thomas Lincoln Casey, December 30, 1886 Memorandum funds, 1878-1879 Memorandum of Cost of Lamp Posts, undated Memorandum of dyke of basin, undated [1878] Memorandum of Enclosures from Thomas Lincoln Casey, December 31, 1886 Memorandum of Enclosures to Thomas Lincoln Casey, December 31, 1886 Memorandum of Estimate of Cost of Monument, undated Memorandum of Estimated Cost of Marble, undated Memorandum of expenditures of lighting, undated [1878] Memorandum of Expenses on Washington Monument, undated Memorandum of ferns to be planted, 1878 Memorandum of flow of water, January 23, 1878 Memorandum of Green House repairs, July 26, 1878 Memorandum of Height of Shaft, undated Memorandum of in white lot, undated [1878] Memorandum of Judge Greens's will, October 21, 1872