Henry L. Abbot to Thomas Lincoln Casey, March 19, 1868

Henry L. Abbot to Thomas Lincoln Casey, March 5, 1868

Henry L. Abbot to Thomas Lincoln Casey, May 10, 1889

Henry L. Abbot to Thomas Lincoln Casey, May 14, 1889

Henry L. Abbot to Thomas Lincoln Casey, May 26, 1892

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

Henry L. Abbot to Thomas Lincoln Casey, May 31, 1886

Henry L. Abbot to Thomas Lincoln Casey, November 11, 1893 (1)

Henry L. Abbot to Thomas Lincoln Casey, November 11, 1893 (2)

Henry L. Abbot to Thomas Lincoln Casey, November 16, 1893

Henry L. Abbot to Thomas Lincoln Casey, November 24, 1893

Henry L. Abbot to Thomas Lincoln Casey, October 10, 1893

Henry L. Abbot to Thomas Lincoln Casey, October 6, 1894

Henry L. Abbot to Thomas Lincoln Casey, September 10, 1893

Henry L. Abbot to Thomas Lincoln Casey, September 15, 1893

Henry L. Abbot to Thomas Lincoln Casey, September 29, 1893

Henry L. Abbot to Thomas Lincoln Casey, September 29, 1894

Henry L. Abbot to Thomas Lincoln Casey, September 9, 1894

Henry L. Abbot to William P. Craighill, February 18, 1868

Henry L. Bryan to Thomas Lincoln Casey, March 22, 1888

Henry M. Mason to Thomas Lincoln Casey, February 13, 1893

Henry M. Mason to Thomas Lincoln Casey, February 20, 1893

Henry M. Robert to Thomas Lincoln Casey, July 1, 1893

Henry M. Robert to Thomas Lincoln Casey, March 23, 1888

Henry M. Robert to Thomas Lincoln Casey, May 24, 1893

Henry Melville to Thomas Lincoln Casey, April 25, 1893

Henry Melville to Thomas Lincoln Casey, June 12, 1893

Henry Melville to Thomas Lincoln Casey, June 13, 1893

Henry Melville to Thomas Lincoln Casey, May 4, 1893

Henry Romeike to Thomas Lincoln Casey, December 8, 1893

Henry Romeike to Thomas Lincoln Casey, February 12, 1889

Henry Turner to Thomas Lincoln Casey, April 6, 1894

Henry W. Hodge to Thomas Lincoln Casey, July 9, 1893, telegram

Henry Weir to Emma Casey, February 8, 1892, telegram

Henry Weir to Thomas Lincoln Casey, April 15, 1892

Henry Weir to Thomas Lincoln Casey, March 2, 1886

Heights of Spires of Cologne Cathedral, undated

Helen S. Lossing to Thomas Lincoln Casey, June 9, 1893

Helen M. Robert to Thomas Lincoln Casey, March 31, 1888

Henry A. Wind to Thomas Lincoln Casey, Janaury 20, 1886

Henry Brigham to Thomas Lincoln Casey, October 8, 1894

Henry C. Hodge to Thomas Lincoln Casey, January 30, 1882

Henry C. Hodges to Thomas Lincoln Casey, February 10, 1881

Henry C. Klotz to Thomas Lincoln Casey, June 12, 1893

Henry C. Murphy to Thomas Lincoln Casey, November 24, 1882

Henry C. Weir to Thomas Lincoln Casey, February 1, 1886

Henry E. Eland to Thomas Lincoln Casey, April 2, 1886

Henry E. Eland to Thomas Lincoln Casey, undated [May 1886]

Henry E. Meyer to Thomas Lincoln Casey, February 11, 1888

Henry E. Turner to Thomas Lincoln Casey, April 6, 1892