G. J. Fieberger to Thomas Lincoln Casey, March 22, 1892

G. J. Fieberger to Thomas Lincoln Casey, March 24, 1892

G. J. Fieberger to Thomas Lincoln Casey, March 9, 1892

G. J. Fieberger to Thomas Lincoln Casey, May 18, 1892

G. J. Fieberger to Thomas Lincoln Casey, May 25, 1892

G. K. Gilbert to Thomas Lincoln Casey, November 30, 1886

G. L. Gillespie to Thomas Lincoln Casey, September 1, 1894

G. L. [illegible] to Thomas Lincoln Casey, May 7, 1886

G. Leverich to Thomas Lincoln Casey, March 30, 1876

G. Lindenthal to Thomas Lincoln Casey, April 3, 1895

G. M. Bodge to Thomas Lincoln Casey, February 17, 1886

G. M. Greene to Thomas Lincoln Casey, August 8, 1872; Thomas Lincoln Casey to G. M. Greene, undated

G. M. Thomas to John M. Wilson , June 5, 1889

G. M. Thomas to Thomas Lincoln Casey, June 2, 1888

G. Morosim to Mrs. [Rutherford B.] Hayes, August 3, 1878

G. S. Robbins & Son to Thomas Lincoln Casey, November 9, 1855

G. W. Davis to Thomas Lincoln Casey, September 10, 1878

G. W. Deissor to Thomas Lincoln Casey, April 17, 1873

G. W. Diesser to Thomas Lincoln Casey, June 20, 1873

G. W. Randall to Thomas Lincoln Casey, July 6, 1881

G. W. W. Davis to Thomas Lincoln Casey, April 11, 1882

G. W. W. Davis to Thomas Lincoln Casey, May 19, 1882

G. [illegible] to Thomas Lincoln Casey, March 26, 1875

Garrett J. Lydecker to Thomas Lincoln Casey, June 29, 1892

Harry Dupont to Thomas Lincoln Casey, November 28, 1868

Harry Hunt to Emma Casey, November 29, 1886

Harry Hunt to Thomas Lincoln Casey, April 14, 1892

Harry Hunt to Thomas Lincoln Casey, April 9, 1892

Harry Hunt to Thomas Lincoln Casey, March 13, 1892

Harry Hunt to Thomas Lincoln Casey, May 2, 1892

Harry Hunt to Thomas Lincoln Casey, November 26, 1894

Harry J. Hunt to Thomas Lincoln Casey, March 20, 1886

Harry Weir to Thomas Lincoln Casey, December 27, 1895

Hattie A. Taylor to Thomas Lincoln Casey, February 14, 1881

Hattie to Edward Wanton Casey, October 24, 1866

Height of bottom line above S.W. Corner, undated

Height of [Strasbourg] Cathedral Spire, undated

Heights of important buildings from Die Gartenlaube, Leipzig: E. Keil, 1882; undated [April 1893]

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]