Letter from John C. L. Clark to Harriette Merrifield Forbes, September 27, 1918
written by John C. L. Clark, fl. 1914-1922, in Harriette Merrifield Forbes Papers, 1860-1950, of American Antiquarian Society (1918); in Harriette Merrifield Forbes Papers, 1860-1950 (Alexandria, VA: Alexander Street, 2009), 1-2