Be a trained nurse.

Be a trained nurse. LOC Summary: Poster showing a woman in a white uniform opening a door marked "Opportunity.". LOC Notes: 34-1146-20 G.L. Co. Date Created/Published: 1917 or 1918. World War One poster provided by LOC. Original medium: 1 print (poster) : lithograph, color ; 76 x 54 cm.