Shellshock by jackdracul on DeviantArt

Shell shock - Wikipedia

The HORRIFYING History of Shell Shock

Shell Shock Through the Wars - Canada's History

Treating combat fatigue (shell shock) during World War I

Shell Shock: The Horrific After-effects of the War – History 450

Shell Shock in World War I - HISTORY CRUNCH - History Articles

Shell Shock” Wasn't Just a Problem for the British Army During the

Who was and what became of the photographed soldier made famous

Is shell shock/battle fatigue/PTSD a relatively modern condition

Who was and what became of the photographed soldier made famous for being shell shocked in WWI? - Quora