The US Army in World War I
United States Army, Center of Military History, Eric B. Setzekorn
The US Army in World War I - A Multifaceted View of the American Military Experience in World War I
United States Army, Center of Military History, Eric B. Setzekorn
The US Army in World War I
United States Army, Center of Military History, Eric B. Setzekorn
US Army Field Manual 7-93 Long-Range Surveillance Unit Operations
United States Army
