Incoming Resources
- A Yankee spy in Richmond, the Civil War diary of "Crazy Bet" Van Lew, edited by David D. Ryan
- Lincoln's spies, their secret war to save a nation, Douglas Waller
- Spies of the Civil War, an interactive history adventure, by Michael Burgan
- Liar, temptress, soldier, spy, four women undercover in the Civil War, Karen Abbott