The method, a reminder - A collection of old Pattabhi Jois and Ashtanga videos.

Sri K Pattabhi Jois - Resources

Intro to Ashtanga method

Practice: Old Shala

Led Demonstration classes

Primary

Intermediate

Advanced

Backbending

Pranayama

Chanting

Conference

Demonstration

Theory class

See perhaps this post on Home Practice.
Developing, maintaining and surrendering practice.