With many thanks to Margaret Stetz, who is Mae and Robert Carter Professor of Women's Studies and Professor of Humanities at the University of Delaware in America, who discovered the following website and told me about it:
http://womensvoicesforchange.org/the-american-womens-hospitals-and-world-war-i-there-ought-to-be-a-movie.htm
This has been put together by Dr. Janet Golden of Rutgers University in New Jersey, America and it is wonderful.
This is exactly what I have been searching for since reading the story of how Edith de Lacy rescued Philippe de Lacy as an orphaned baby from a bombed out house in Lorraine, France during her service with the American Women's Hospitals during WW1.