President too busy at White House to receive visitor, Dr. S. W. Forsha, anxious to treat wounded soldiers with his "Balm." Salmon P. Chase, Diary and Correspondence of Salmon P. Chase, Compiled by Samuel H. Dodson, American Historical Association, Annual Report for the Year 1902, vol. 2 (Washington, DC: Government Printing Office, 1903); Abraham Lincoln to William A. Hammond, 29 September 1862, CW, 5:444-45.