University of Oxford (UK)
First World War Poetry Digital Archive: Vera Brittain Collection
Although she did write some poetry, Vera Brittain's most important literary work was a memoir about her experiences as a nurse during World War I. Read about her life during World War I and her actions towards world peace afterward.
Other
Women in World War I: Thirty Thousand Women Were There
This site explains how women were active in World War I as nurses and aides.