[Lukas Berger]

Originally Posted by khucke

Beware of the fine print. From Lukasberger's posts I understood 'Affilated leagues' means leagues with clubs that are a farm team of a major league team. It does not seem to mean every existing minor league in a given year is created . So during the 20s and 30s there might only one or two minor leagues.
That's at least how I understand it.

Edit: Lukasberger cleared up the point in this thread before I finished my post.

Yes, this is correct.