Henry L. Abbot to Thomas Lincoln Casey, July 24, 1890

Henry L. Abbot to Thomas Lincoln Casey, July 25, 1890

Henry L. Abbot to Thomas Lincoln Casey, July 3, 1889

Henry L. Abbot to Thomas Lincoln Casey, June 8, 1885

Henry L. Abbot to Thomas Lincoln Casey, March 11, 1885

Henry L. Abbot to Thomas Lincoln Casey, March 12, 1869

Henry L. Abbot to Thomas Lincoln Casey, March 15, 1885

Henry L. Abbot to Thomas Lincoln Casey, March 23, 1885

Henry L. Abbot to Thomas Lincoln Casey, March 8, 1884

Henry L. Abbot to Thomas Lincoln Casey, May 24, 1885

Henry L. Abbot to Thomas Lincoln Casey, November 1, 1892

Henry L. Abbot to Thomas Lincoln Casey, November 12, 1888

Henry L. Abbot to Thomas Lincoln Casey, November 19, 1884

Henry L. Abbot to Thomas Lincoln Casey, November 20, 1889

Henry L. Abbot to Thomas Lincoln Casey, November 23, 1892

Henry L. Abbot to Thomas Lincoln Casey, November 24, 1892, calculations

Henry L. Abbot to Thomas Lincoln Casey, November 30, 1892 (1)

Henry L. Abbot to Thomas Lincoln Casey, November 30, 1892 (2)

Henry L. Abbot to Thomas Lincoln Casey, November 5, 1891

Henry L. Abbot to Thomas Lincoln Casey, November 7, 1891

Henry L. Abbot to Thomas Lincoln Casey, November 9, 1885

Henry L. Abbot to Thomas Lincoln Casey, October 13, 1891

Henry L. Abbot to Thomas Lincoln Casey, October 21, 1890

Henry L. Abbot to Thomas Lincoln Casey, October 26, 1891

Henry L. Abbot to Thomas Lincoln Casey, October 31, 1890

Henry L. Abbot to Thomas Lincoln Casey, October 9, 1890

Henry L. Abbot to Thomas Lincoln Casey, September 24, 1888

Henry L. Abbot to Thomas Lincoln Casey, September 28, 1889

Henry L. Abbott to Thomas Lincoln Casey, January 12, 1891

Henry M. Adams to Col. [William P.] Craighill, June 27, 1891; No. 2; Exhibit

Henry M. Robert to Thomas Lincoln Casey, April 5, 1888

Henry M. Robert to Thomas Lincoln Casey, January 30, 1879

Henry M. Robert to Thomas Lincoln Casey, March 14, 1888

Henry M. Robert to Thomas Lincoln Casey, May 12, 1891

Henry Persons to Thomas Lincoln Casey, May 20, 1879

Henry Robert to Thomas Lincoln Casey, February 21, 1890

Henry S. Sheldon to Thomas Lincoln Casey, February 26, 1885

Henry Sheldon and cirular to Thomas Lincoln Casey, March 27, 1885

Henry T. Drowne to Thomas Lincoln Casey, November 14, 1887

Henry Van Ness Boynton to Thomas Lincoln Casey, October 9, 1889

Henry Van Ness Boynton to Thomas Lincoln Casey, October 9, 1890

Henry Van Ness Boynton to Thomas Lincoln Casey, October 9, 1891

Henry W. Hodge to Thomas Lincoln Casey, September, 1, 1892

Henry Weir to Thomas Lincoln Casey, February 11, 1885

Henry Weir to Thomas Lincoln Casey, February 5, 1896

Henry Weir to Thomas Lincoln Casey, February, 25, 1885

Henry Weir to Thomas Lincoln Casey, January 13, 1891

Henry [Pickering] to Thomas Lincoln Casey, June 10, 1885

Herbert E. Hill to Thomas Lincoln Casey, March 13, 1885

Herbert W. Stover to Thomas Lincoln Casey, March 13, 1885