Treasury Dept. Light-house Board to Thomas Lincoln Casey, November 25, 1890

Treasury Dept., Office of the Light-House Board to Thomas Lincoln Casey, October 29, 1890

Treasury Dept./Light-House Board to Thomas Lincoln Casey, August 31, 1891

Treasury Dept./Light-House Board to Thomas Lincoln Casey, December 8, 1891

Treasury Dept./Light-House Board to Thomas Lincoln Casey, November 10, 1891

Treasury Dept./Light-House Board to Thomas Lincoln Casey, November 2, 1891

Treasury Dept./Light-House Board to Thomas Lincoln Casey, October 1, 1891

Treuman & Diven to Thomas Lincoln Casey, October 6, 1877

Truman Seymour to Emma [Weir Casey], June 29, 1891

Truman Seymour to Thomas Lincoln Casey, August 10, 1890

Truman Seymour to Thomas Lincoln Casey, June 12, 1891

Truman Seymour To Thomas Lincoln Casey, May 22, 1891; Louisa Seymour To Thomas Lincoln Casey, undated

Truman Seymour to Thomas Lincoln Casey, September 1, 1885

Tunnel Estimate, undated

Two paragraphs providing the purchase of site in extension of present site

U. S. Hay Fever Association, October 1, 1877

Union Club privileges given to Thomas Lincoln Casey for 7 days, September 15, 1892

United States in account with [James Buchanan] Eads, March 3, 1879

Unknown to Thomas Lincoln Casey, August 23, 1887

Unknown to Thomas Lincoln Casey, undated

Unknown to Thomas Lincoln Casey, undated [1885]

V. H. Brown & Co. to Thomas Lincoln Casey, April 18, 1883, telegram

V. McNally to Thomas Lincoln Casey, May 14, 1878

Vetillart to Thomas Lincoln Casey, February 27, 1891

Vetillart to Thomas Lincoln Casey, June 1, 1891

Vetillart, Republic Francaise to Thomas Lincoln Casey, January 27, 1891

Vinnie [Ream] Hoxie to Thomas Lincoln Casey, May 30, 1878

Visitor card from [Florida G.] Casey to Thomas Lincoln Casey/copy of returned message, February 4

W. A. Kirkland to Thomas Lincoln Casey, January 10, 1891

W. A. Kirkland to Thomas Lincoln Casey, January 30, 1890

W. A. Kirkland to Thomas Lincoln Casey, March 4, 1891

W. A. Severard to Thomas Lincoln Casey, November 8, 1885

W. A. [Binchard] to Thomas Lincoln Casey, March 12, 1885

W. B. Allison to Thomas Lincoln Casey, June 24, 1878

W. B. Allwin to Thomas Lincoln Casey, May 15, 1885

W. B. Franklin to Thomas Lincoln Casey, November 7, 1885

W. B. Moses to Thomas Lincoln Casey, January 24, 1896

W. B. T. Keyser/National Bank of the Republic to Thomas Lincoln Casey, July 1, 1891

T. S. Jenkins to Thomas Lincoln Casey, February 18, 1885

T.B. Harrington to Thomas Lincoln Casey, February 13, 1896

TBS - Potomac River Embankment - Formula for discharge of sleuces, June 6, 1877

The Century Association to Thomas Lincoln Casey, October 15, 1892

The Century Club of NY, [December 25], 1889

The Century [Club] to Thomas Lincoln Casey, February 5, 1887

The Engineering & Building Record and the Sanitary Engineer to Thomas Lincoln Casey, October 10, 1887

The following files from the Off. of Bldg for S. W. & N Depts., April 3, 1888

The Garfield Memorial Association to Thomas Lincoln Casey, May 1, 1890

The Hubbell Patent System, October 22, 1885

The Journal to Thomas Lincoln Casey, February 29, 1896

The Mississippi River Commission to Thomas Lincoln Casey, February 8, 1890