For those who have ask me. I am not an expert. I am relaying the CD's marked on the insulators by Woody. These are the dimensions in picture. Back row left to right. Italian CD 198 3 1/8 by 3 5/8 (2) French CD 1165 3 1/8 by 5 (3)Russian CD 571.8 is 2 5/8 by 3 1/4 crown @ 1 7/8 (4) Polish CD 578.1 is 3 1/2 by 5 9/16 (5) Russian 571.3 is 2 9/16 by 3 1/4 crown @ 1 3/4 (6) Italian CD 412 is 2 7/8 by 5 1/8. Front row Russian CD 541.5 is 2 3/4 by 3 (2) Russian CD 571.3 is 2 9/16 by 3 1/4 crown @ 1 1/2{note these have variances} (3) Russian( Belarus) CD 571.2 is 2 3/4 by 3 1/2 crown @ 1 9/16{note these have variances}