They were based upon a similar design as ironclad warships however had timber armour in place of iron.
- Cottonclad warship
- Battle of Fort Henry
- USS Conestoga (1861)
- USS Essex (1856)
- USS Lexington (1861)
- USS Tyler (1857)
- Konstam, Angus (2002). Mississippi River Gunboats of the American Civil War 1861-65 (New Vanguard, 49). Osprey Publishing (UK). ISBN 1-84176-413-2.
- Smith, Myron J. (2008). The Timberclads in the Civil War: The Lexington, Conestoga and Tyler on the Western Waters. McFarland & Company. ISBN 978-0-7864-3578-4.