Looking for documentation or manuals referring to German Bomber and Fighter formations

[Barry friendly]

Good day,
I have been chasing around the internet the past few days looking for resources pertaining to Luftwaffe Airfield Operations as well as their formations and procedures pertaining to that. It appears there were resources and manuals however all of the links leading to those have died and the wayback machine leads to nothing. Does anyone have any information regarding this? Both for formations from the Spanish war to the end of war and just general airfield operations etc. Really technical stuff and general information is both appreciated. Wish I could write more but really I do not have much more than that.

Cheers,
Barry Friendly.