Uniforms of the British Army - Wikipedia
Frock coat - Wikipedia
A brief look at why the Union Army used frock coats.
HEAVY-CAV-04 - UNIFORMOLOGY
Generals Uniforms, Civil War, Union, Fall Creek Sutler,
| National Museum of American History
The Union Army Uniform: A Historical Look at its Design and …
Frock coats: Style or practicality of 19th century U.S. Army?
Civil War Uniforms and Civil War Clothing, Union, Fall Creek Sutler,
Military Uniform Supply Civil War Union Enlisted Frock Coat