Rinpoche has often introduced students to the Buddhist tenets based on Lodro Thaye's Treasury of Knowledge.
It is such introductions that you find here. Especially, in 1994, Rinpoche celebrates the new publication with translation into 7 different languages.
For now, you will find teachings from་Kamalashila, May 1994, and Mahamudra Retreat Zentrum Halscheid May 1994, and Karma Chodrub Gyamtso Ling, Brussels, June 1994.
To enroll in the course, the key is KTGR