Came across this on Youtube. The complete series made in 1964, the 50th aniversary of the Great War. It is all black and white, with a lot of period clips and interviews with vetrans. The background of the period pieces is intresting. Lots of shots of vehicles and equipment.
https://www.youtube.com/playlist?list=PLwn22WhrrUFMg65XgPicFBfYgHj7Xpcdn