Duff Gampopa Teaches the Essence of Mahamudra (PDF)

Duff Gampopa's Essence Mahamudra 1

Duff  gives a good description of Gampopa who was a major Kagyu lineage holder and translates 9 different teachings of Gampopa. These translation are:

1. Gampopa Personal Advice to Lord Gomtshul’s

2. Gampopa's Advice to Phagmo Drupa’s 
3. Gampopa's Advice to :YoginChoyung
4. Gampopa on THE FOUR DHARMAS IN BRIEF
5. Gampopa on PRECIOUS GARLAND OF THE SUPREME PATH
6. Gampopa's  PERSONAL ADVICE to GOMTSHUL’S 
7. Gampopa Advice to  DRUPA
8. Gampopa's advice to YOGIN CHOYUNG’S