Gentleman, I would like to inform you about start of new Internet project - publishing Polish Air Force Operations Record Books 1940-1947 online.
Today about 50 months ara available and we'll try to publish 2 months daily. All ORB will be in text format so for photo copies you have still go to the National Archives.
Polish Air Force Operations Record Books 1940-1947
Site was made in English so you shouldn't have any problems with using it. From time to time you may get 404 error because not all years are covered yet. We will try to fix it ASAP.