Letter from John Campbell to Department of the Susquehanna Surgeons in Charge of USA General Hospital;March 30, 1864 Letter from John Canfleele[?] to the Surgeons in Charge of the USA General Hospital, Department of the Susquehanna, requesting permission for Reverend Isaac Leeser to visit and minister to the spiritual needs of the sick in the hospital. The letter is written on letter-sized paper and is dated March 30th, 1864.