From the Mississippi Department of Archives and History Governor Clark Collection. Letter from Lieutenant Colonel John C. Humphreys at the prisoner of war camp at Johnson's Island near Landusky, Ohio, to Mississippi Governor Charles Clark, asking Clark to help get him swapped for Lieutenant Colonel William H. Glenn, 89th Ohio Infantry.

From the Mississippi Department of Archives and History Governor Sharkey Collection. Letter from former Confederate Lieutenant Colonel John D. Williams, 3rd Battalion, Mississippi Infantry at Johnson's Island, Ohio, to Mississippi Governor William L. Sharkey, asking for the Governor's help in procuring Williams' release as a prisoner of war.

From the Mississippi Department of Archives and History Governor Sharkey Collection. Letter from Thomas W. Harris, Lieutenant Colonel of Ashcraft's Regiment, to Mississippi Governor William L. Sharkey at Washington, District of Columbia, requesting his assistance in freeing the Mississippi field officers held at Johnson's Island Prison at Ohio.

From the Mississippi Department of Archives and History Governor Sharkey Collection. Letter from S. E. Hunter, colonel of the 4th Louisiana Infantry and a prisoner at Johnson's Island, Ohio, to Judge William L. Sharkey at Washington, District of Columbia, asking for Sharkey's help in getting released from confinement, as Hunter knows of no Louisianians in Washington whom to ask for help and Louisiana Governor Wells has just left the city. Hunter states that he has been unable to take the oath of allegiance yet, and has been separated from his family for a long time.