https://www.chronicleproject.com/the-transmission-of-jamgon-kongtrul-lodro-thayes-treasury-of-pith-instructions/
In December 2012, Steve Cline had the opportunity to speak with Lama Sonam Phuntsho about the transmission of the Dam Ngak Dzo. Here is their conversation.
jamgon kongtrultransmissionlodrothayetreasury