Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
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Credit
"Six days in March' 18" (re the German breakthrough on the Western Front), by Major R. Ogier Ward, Royal Field Artillery. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.
Provider
The original material is held at The Museum of Military Medicine.