- Marcot, Roy. U.S. Sharpshooters: Berdan's Civil War Elite
- Stevens, C.A. Berdan's United States Sharpshooters in the Army of the Potomac 1861-1865
- Sword, Wiley. Sharpshooter: Hiram Berdan, His Famous Sharpshooters and Their Sharps Rifles.
- Katcher, Phil. Sharpshooters in the Civil War 1861-1865.
Berdan Sharpshooter History:
Manuals and Guides
1861 Regulations for the Uniform and Dress of the Army of the United States.
1861 Regulations for the Army of the United States
1861 Ordnance Manual
A System of Target Practice
Beadles Military Handbook
Handbook for Active Service 1861
1852 Bayonet Exercise
Silas' Reenacting Links
Archived Rockland Maine Newspapers