Harry Weir Casey to Thomas Lincoln Casey, September 30, 1879

Harry Weir Casey to Thomas Lincoln Casey, September 7, 1873

Harry Weir Casey to Thomas Lincoln Casey, September 7, 1879

Harry Weir Casey to unaddressed with drawing, undated

Harry Weir Casey to unaddressed, undated

Harry Weir Casey, Amateur Card & Job Printer, undated

Harry White to Thomas Lincoln Casey, February 12, 1879

Harry White to Thomas Lincoln Casey, February 15, 1879

Harry White to Thomas Lincoln Casey, February 20, 1879

Harry White to Thomas Lincoln Casey, June 7, 1879

Harry White to Thomas Lincoln Casey, May 22, 1879

Harvey C. Smith to Thomas Lincoln Casey, August 2, 1869

Hatfield & Sons to Thomas Lincoln Casey, October 23, 1888

Hattie Bailey to Emma [Weir Casey], January 11, 1891

Hattie Bailey to Thomas Lincoln Casey, July 12, 1887

Hattie Redmond to Thomas Lincoln Casey, February 19, 1885

Helen A. McCrary to Thomas Lincoln Casey, July 21, 1879

Helen A. Smith to Thomas Lincoln Casey, February 7, 1885

Helen B. Weir to Thomas Lincoln Casey, January 15, 1890

Helen L. Summer to Thomas Lincoln Casey, January 5, 1878

Helen M. W. Evarts to Thomas Lincoln Casey, March 21, 1879

Henry A. Lyman to Thomas Lincoln Casey, December 31, 1888

Henry C. Hodges to Thomas Lincoln Casey, April 26, 1890

Henry C. Hodges to Thomas Lincoln Casey, January 8, 1891

Henry C. Weir to Thomas Lincoln Casey, December 12, 1884

Henry C. Weir to Thomas Lincoln Casey, February 18, 1884

Henry C. Weir to [illegible] Casey, December 24, 1891

John B. Peirce to Thomas Lincoln Casey, April 11, 1883

John B. Peirce to Thomas Lincoln Casey, April 16, 1883

John B. Peirce to Thomas Lincoln Casey, February 19, 1883

John B. Peirce to Thomas Lincoln Casey, January 12, 1883

John B. Peirce to Thomas Lincoln Casey, January 19, 1883

John B. Peirce to Thomas Lincoln Casey, June 2, 1883

John B. Peirce to Thomas Lincoln Casey, June 21, 1883

John B. Peirce to Thomas Lincoln Casey, June 4, 1883

John B. Peirce to Thomas Lincoln Casey, June 8, 1883

John B. Pierce to Thomas Lincoln Casey, February 9, 1884

John B. Pierce to Thomas Lincoln Casey, January 29, 1884

John Beattie to Col. D.C. Houston, January 31, 1891

John Bogart to Thomas Lincoln Casey, April 16, 1890

John Bogart to Thomas Lincoln Casey, December 3, 1885

John Bogart to Thomas Lincoln Casey, February 18, 1885

John Bogart to Thomas Lincoln Casey, January 5, 1883

John Bogart to Thomas Lincoln Casey, June 26, 1884

John Bogart to Thomas Lincoln Casey, March 27, 1885

John Bogart, American Society of Civil Engineers to Thomas Lincoln Casey, March 20, 1884

John C. Goodridge to W. W. Corcoran, February 10, 1885, copy

John C. Houk to Thomas Lincoln Casey, January 23, 1893; John C. Houk to T. S. Godfrey, January 21, 1893 [copy]; John Houk to Stephen D. Elkins, undated [transcription]

John C. Houk to [Stephen] B. Elkins, January 16, 1893

John C. Houk to [Stephen] B. Elkins, January 21, 1893 (1)