In post #6 in this thread Tim provided a chart on the estimated timeline
for the print groups.
http://www.net54baseball.com/showthr...99#post1080099
You can find a list of all the subjects from each print group here.
http://t206resource.com/Checklist%20Main.html
There's a lot of great info on this site they also give an estimated timeline of the series and backs starting with this page.
http://t206resource.com/Series%20150.html