Template:Cooling
Cooling, Benjamin F. III and Owen, Valton H. II, Mr. Lincoln's Forts: A Guide to the Civil War Defenses of Washington, Scarecrow Press, 2009, 334 pages, ISBN 0810863073, 9780810863071
Cooling, Benjamin F. III and Owen, Valton H. II, Mr. Lincoln's Forts: A Guide to the Civil War Defenses of Washington, Scarecrow Press, 2009, 334 pages, ISBN 0810863073, 9780810863071