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

Sutherland to Thomas Lincoln Casey, August 15, 1892

Sutherland to Thomas Lincoln Casey, August 16, 1892

Sutherland to Thomas Lincoln Casey, August 17, 1892

Sutherland to Thomas Lincoln Casey, August 19, 1892

Synopsis of Papers from Engineer Board on [Arthur Kill Bridge], January 20, 1888

T. A. Washington to Thomas Lincoln Casey, February 18, 1890

T. B. Nielson to Thomas Lincoln Casey, November 24, 1888

T. B. Reed to Thomas Lincoln Casey, August 15, 1888

T. B. Reed to Thomas Lincoln Casey, July 16, 1888

T. B. Reed to Thomas Lincoln Casey, July 22, 1888

T. C. Mendenhall to Captain L. A. Abbott, September 23, 1891

T. C. Mendenhall to Thomas Lincoln Casey, December 30, 1889

T. Crosby to [George] D. Benjamin, June 28, 1878, copy

T. H. H. [illegible] to Thomas Lincoln Casey, January 24, 1891

T. J. Campbell to Thomas Lincoln Casey, September 23, 1892

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

The National Bank of the Republic to Thomas Lincoln Casey, April 1, 1891

The National Bank of the Republic to Thomas Lincoln Casey, August 7, 1888