Sony A7III in USA at Adorama, BHphoto, Amazon, BestBuy, FocusCamera, BuyDig.
Sony a7III in Europe at Amazon DE, Calumet Germany, Amazon UK, ParkCameras UK, WexUK, Amazon FR, Amazon IT, Amazon ES.
Bowling for Pixels, with the Sony a7 III by Shawn Steiner.
Bryan Hewitt A7III review on Petapixel.
Hands-on with the Sony a7III and a9 at a Wedding (Move to Mirrorless)