I can't read Polish, but it looks like there are more thatn 8000 WW2 photos on line
http://nac.gov.pl/en/node/58
http://audiovis.nac.gov.pl/

http://audiovis.nac.gov.pl/search/f0b70 ... 15616f:10/
Zaawansowane » Search http://audiovis.nac.gov.pl/search/ e.g. Westerplatte