Tilopa's Mahamudra Upadesha - The Gangama Instructions With Commentary — by Sangyes Nyenpa
This book offers the reader a window into the oral transmission of these instructions, given in a traditional Tibetan context by one of the Kagyu lineage's most learned and accomplished contemporary masters.
Taranatha's History of Buddhism in India
Modern scholars have extensively using specially this translation for decades and for varied purposes.
The Life of Padmasambhava — by Taranatha
Biography of Padmasambhava - the famed master from Oddiyana who introduced Tantric Buddhism in Tibet in the eighth century.