Shell shock war hi-res stock photography and images - Alamy

From shell shock to PTSD: proof of war's traumatic history

The Shock of War, History

Trench Conditions - “Shellshock”

Shell shocked

Shell Shock I hope to be remembered for my atrocities!

Firsts of World War One - Innovations of WW1

Life in the Trenches of World War I

How psychiatric ideas about trauma evolved after World War I - Big

Shell shock: How much has changed in 100 years? - The Globe and Mail

Is shell shock/battle fatigue/PTSD a relatively modern condition? Are there any documented examples from before WW1? - Quora