I looked / searched on here, but I didn't see some of these web sites listed.. so just in case..
https://sites.google.com/site/landships/home
I found these to be of interest for me.
https://sites.google.com/site/landships/home/lists
https://sites.google.com/site/landships/home/generaltankinformation
https://sites.google.com/site/landships/home/generaltankinformation/wdnumbers
https://sites.google.com/site/landships/home/generaltankinformation/the-colour-of-tanks
As I said , if these have been posted before, sorry.. but it's new to me..