Albert R. Champlin to Thomas Lincoln Casey, February 25, 1884

Albert S. Willis to Thomas Lincoln Casey, May 25, 1879

Alex. Ramsey to the Attorney General, December 22, 1879

Alexander H. Darnes/Rutherford B. Hayes to Thomas Lincoln Casey, [1878]

Alexander to Thomas Lincoln Casey, March 6, 1885

Alfred S. Johnson, the Quarterly Register of Current History to Thomas Lincoln Casey, June 6, 1891

Alice Babcock to Thomas Lincoln Casey, May 1, 1891

Alice Howard to Thomas Lincoln Casey, April 26, 1878

Alice Richardson to Thomas Lincoln Casey, September 12, 1888

Alice W. Babcock to Emma [Weir Casey], January 10, 1891

Alice W. Babcock to Thomas Lincoln Casey, April 1, 1885

Alice W. Babcock to Thomas Lincoln Casey, April 30, 1885

Alice W. Babcock to Thomas Lincoln Casey, December 1, 1883

Alice W. Babcock to Thomas Lincoln Casey, December 1, 1884

Alice W. Babcock to Thomas Lincoln Casey, December 24, 1884

Alice W. Babcock to Thomas Lincoln Casey, December 27, 1883

Alice W. Babcock to Thomas Lincoln Casey, December 28, 1885

Alice W. Babcock to Thomas Lincoln Casey, December 3, 1883

Alice W. Babcock to Thomas Lincoln Casey, February 28, 1883

Alice W. Babcock to Thomas Lincoln Casey, February 29, 1884

Alice W. Babcock to Thomas Lincoln Casey, January 30, 1883

Alice W. Babcock to Thomas Lincoln Casey, January 30, 1884

Alice W. Babcock to Thomas Lincoln Casey, June 2, 1884

Alice W. Babcock to Thomas Lincoln Casey, June 29, 1885

Alice W. Babcock to Thomas Lincoln Casey, June 7, 1883

Alice W. Babcock to Thomas Lincoln Casey, March 2, 1885

Alice W. Babcock to Thomas Lincoln Casey, March 31, 1884

Alice W. Babcock to Thomas Lincoln Casey, May 1, 1884

Alice W. Babcock to Thomas Lincoln Casey, May 30, 1885

Alice W. Babcock to Thomas Lincoln Casey, November 1, 1883

Alice W. Babcock to Thomas Lincoln Casey, October 31, 1884

Alice W. Babcock to Thomas Lincoln Casey, October 31, 1885

Alice W. Babcock to Thomas Lincoln Casey, October 8, 1883

Alice W. Babcock to Thomas Lincoln Casey, September 19, 1885

Alice W.Babock to Thomas Lincoln Casey, December 11, 1885

Alida Almy to Thomas Lincoln Casey, November 15, 1884

Alida G. Almy to Thomas Lincoln Casey, July 12, 1883

Alida G. Almy to Thomas Lincoln Casey, July 4, 1883

All Souls Church to Thomas Lincoln Casey, September 15, 1879

All Souls Church to Thomas Lincoln Casey, September 1879

All Souls Church to Thomas Lincoln Casey, September 8, 1879

All Soul's Church to Thomas Lincoln Casey, November 20, 1879

Alonzo Houck to Thomas Lincoln Casey, April 28, 1891

Alonzo Houck to Thomas Lincoln Casey, July 24, 1888

Alvey A. Adee to Thomas Lincoln Casey, February 3, 1885

American Architect and Building News editors to Thomas Lincoln Casey, August 4, 1879

American Architect and Building News editors to Thomas Lincoln Casey, July 28, 1879

American Shipping and Industrial League to Thomas Lincoln Casey, January 1, 1887

American Society of Civil Engineers ballot, undated

Appropriation for Building for State, War, and Navy Departments - month of January, 1880, February 2, 1880, duplicate