R. L. Gibson to President Grover Cleveland, June 7, 1888

R. L. Gibson to Thomas Lincoln Casey, November 12, 1878

R. Murray to Thomas Lincoln Casey, May 1, 1886

R. N. S. Dunster to Emma, March 7, 1886

R. O. S [?], undated [November 1881]

R. P. Thian to Thomas Lincoln Casey, November 30, 1886

R. Ross Perry to Thomas Lincoln Casey, February 25, 1893

R. Ross Perry to Thomas Lincoln Casey, January 24, 1895

R. S. Chew to Thomas Lincoln Casey, June 1873

R. T. Brown to Thomas Lincoln Casey, June 27, 1892

R. T. W. Duke to Thomas Lincoln Casey, May 10, 1882

R. W. Meade to Thomas Lincoln Casey, April 15, 1886

R. W. Petrikin to Thomas Lincoln Casey, December 22, 1868

R. W. Raymond to Thomas Lincoln Casey, June 24, 1882

R. W. [Lowry] to Thomas Lincoln Casey, February 3, 1892

R. [Illegible]. to Thomas Lincoln Casey, undated [1882]

R. [Rutherford] P. Hayes to Thomas Lincoln Casey, November 29, 1889

Ralph Abercrombie to Thomas Lincoln Casey, May 16, 1893

Randall Baremore to Thomas Lincoln Casey, April 4, 1859

Range of [illegible] at Monument, 1883

Receipt of Shipment to Thomas Lincoln Casey, March 23, 1895

Record of plumb spots carved down to floor, undated

Record of Tests of Portland Cement Company, July 5, 1879

Redfield Proctor to Thomas Lincoln Casey, February 18, 1893

Relative Levels of Goddess of Liberty on Capitol, undated

Report of tests for tensils strength, January 27, 1882

Report of William Dougherty of the expenses of the Monument Foundation, February 7, 1849

Report of [Robert] Mills, June 26, 1849, copy

Retirement Dates, undated

Return of Instruments, &c., January 27, 1869

Rev. Alexander Burgess to Thomas Lincoln Casey, July 8, 1886

Rev. Burgess to Thomas Lincoln Casey, July 8, 1872

Rev. Charles Briggs to Thomas Lincoln Casey, November 10, 1855

Rev. Francis B. Whitcomb to Thomas Lincoln Casey, October 16, 1895

Rev. J. R. Wheeler to Thomas Lincoln Casey, January 6, 1881

Rev. John H. Elliott to Thomas Lincoln Casey, June 28, 1881

Rev. Osgood E. Herrick to Thomas Lincoln Casey, September 3, 1895

Revocable License, Stillman Saunders to Thomas Lincoln Casey, May 15, 1889

Reynolds to Thomas Lincoln Casey, August 8, 1895

Rice & Duval Tailors to Thomas Lincoln Casey, May 8, 1895, invoice

Richard I. Dodge to Thomas Lincoln Casey, June 20, 1889

Richard L. Hoxie to Thomas Lincoln Casey, February 12, 1886

Richard L. Hoxie to Thomas Lincoln Casey, June 24, 1880

Richard L. Hoxie to Thomas Lincoln Casey, undated [1880]

Richard M. Hunt to Thomas Lincoln Casey, January 15, 1882

Richard Ward Green to Thomas Lincoln Casey, September 5, 1894

Richard Ward Greene to Thomas Lincoln Casey, August 18, 1894

Richard Ward Greene to Thomas Lincoln Casey, August 23, 1894

Richard Ward Greene to Thomas Lincoln Casey, May 15, 1893

Richard Ward Greene to Thomas Lincoln Casey, May 17, 1893