Anders' Army Hospital in the USSR
Polish hospitals in Russia were very congested. The first photo shows a time where the soldiers were forced to rest in the hallways due to the high occupancy. The second photo depicts a nurse treating a wounded soldier.
Numbers on the back: E-1-26, 20909-1, XVI, II
Piłsudski Institute of America, Photographs of Polish Soldiers and Civilians During WWII (1939-1945)