Chadwick, F. E. (1880). Report on the training systems for the navy and mercantile marine of England, and on the naval training system of France, made to the Bureau of Equipment and Recruiting, U.S. Navy Department, September, 1879. Washington: Govt. Print. Off..

Chadwick, French Ensor. Report On the Training Systems for the Navy and Mercantile Marine of England, and On the Naval Training System of France, Made to the Bureau of Equipment and Recruiting, U.S. Navy Department, September, 1879. Washington: Govt. Print. Off., 1880.

Chadwick, French Ensor. Report On the Training Systems for the Navy and Mercantile Marine of England, and On the Naval Training System of France, Made to the Bureau of Equipment and Recruiting, U.S. Navy Department, September, 1879. Washington: Govt. Print. Off., 1880.