Keywords: Nurses in gas masks at the trenches in Germany..JPG en Nurses in gas masks at the trenches in Germany during World War I 2013-08-20 09 32 14 Courtesy of the National Library of Medicine Images from the History of Medicine IHM http //ihm nlm nih gov/images/D04420 Also showcased in the book Hidden Treasure New York NY Blast Books 2012 p 53 HMD Prints Photos call number PP059706 6182 United States s n 1916 PD-USGov Uploaded with UploadWizard Nurses World War I gas masks Black and white photographs of people wearing gas masks Germany in World War I Trench warfare Gas masks of Germany Women in medicine |