Is there a website/s or reference books with good aircraft photos
Sure. What kind of aircraft, and what detail?
Only many Thousands of them. What are you looking for ?
Regards, Rick
WWII birds
Which country? Which service? What time period?
For Luftwaffe WW2 planes go to:
http://www.warbirdsresourcegroup.org/LRG/index.html or
Those are just 2 of the many sites out there.