Government Printing: U.S. Senate, 1864. First. Wraps. VG / None. Item #637
Cited subjects include a general courts martial of ass't surgeon Webster, management of general hospitals, and orders and instructions in regard to the medical department.
There is a very important article dealing with military commander's authority over medical hospitals. A serious issue early in the War. Also general orders pertaining to hospital operations.
This from a Senate document, 38th Congress, 1st Session.