Charles H. House, Civil War veteran, New York

Searching for letters, journals, and other personal documents referencing the life and military service of Charles H. House. He served as a corporal in the Twentieth New York Cavalry. His portrait: http://www.flickr.com/photos/8026096@N04/5061597514/http://www.flickr.com/photos/8026096@N04/5061597514/

Any and all help appreciated!
Ron