Hello there, I'm starting this thread to ask if anyone can recommend a reliable source of information regarding exact sizes of air forces during WW2. I'm currently working on a project involving force comparisons of the British and German air forces during the Battle of France and Battle of Britain, however I'm struggling to find sources that can provide the exact size of both during this time, with most sources only giving the exact numbers on one date while I'm looking for numbers on a monthly if not weekly basis to see how they move up and down for the duration of the conflict. The reason why I ask for sizes throughout all of WW2 and not just 1940 is because this will likely not be my only project and I will probably need exact air force numbers during other battles. So ideally a complete size guide of the entire war would be perfect but if not then one for these two battles would be very helpful too. I thank you in advance for any help you can offer me.