See also the
Thurber-Woolson Collection Botanical Manuscripts Collection, 1803-1918.
Despite his apparent importance as a collector and purveyor of plants, Kramsh left little written record. Surviving letters can be found in the Humphry Marshall Papers at the William L. Clements Library, University of Michigan, the Benjamin Smith Barton Papers, American Philosophical Society, and the Henry Muhlenberg Papers at the Historical Society of Pennsylvania.