This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Coxcomb. Diagram of the Causes of Mortality in the Army in the East Coxcomb Diagram written by Florence Nightingale fi uu nl Florence Nightingale Image Nightingalemortality PDold Coxcomb Florence Nightingale
Page 2023 Free-images.com. All images are Public Domain