Military training films from the 1940's and 50's were used to teach pilots flying skills.  Here are a few links to those films posted on youtube:

The US Navy published a series of training films on learning to fly the Stearman PT17:

Before You Fly
Primary Flight Training - First Flight - Part I
Primary Flight Training - First Flight - Part II
Primary Flight Training - Attitudes of Flight
Flying Sense
Landings
Primary Flight Training - Keep it Flying - Part I
Primary Flight Training - Keep it Flying - Part II