There is a subforum dedicated to rimfire trainers on RFC.
http://www.rimfirecentral.com/forums...play.php?f=125
You are missing many. German post-war trainers alone are Anschütz 54, Erma, and Walther.
Germany also had .22 conversions for the Luger, H&K G3, and Walther P1 and were really big on rimfire trainers.