The Precious Treasury of the Way of Abiding, (Treasury of the Natural State), translated by Richard Barron, Padma Publishing (this is same material as Dowman's Old Man Basking In The Sun and his Natural Great Perfection)
The Precious Treasury of the Basic Space of Phenomena, (Treasury of the Dharmadhatu), translated by Richard Barron, Padma Publishing, 2001
A Treasure Trove of Scriptural Transmission (autocommentary on Precious Treasury of the Basic Space of Phenomena), translated by Richard Barron, Padma Publishing, 2001
The Precious Treasury of Philosophical Systems, translated by Richard Barron, Padma Publishing, 2007
The Precious Treasury of Pith Instructions (Treasury of Secret Instructions), translated by Richard Barron, Padma Publishing, 2007
Flight Of The Garuda, Shabkar (Tsogdruk Rangdrol), tr. by Erik Pema Kunsang
Buddhahood without Meditation, by Dudjom Lingpa, tr. by Richard Barron, Padma Publishing, 2002
Wisdom Nectar, Dudjom Rinpoche's Heart Advice, Dudjom Rinpoche, tr. by Ron Garry, Snow Lion Publications, 2005
The Cycle of Day and Night, Chogyal Namkhai Norbu Rinpoche
Flight Of The Garuda, Keith Dowman
Eye Of The Storm, Keith Dowman
Simply Being, James Low
Longchenpa's You Are The Eyes Of The World, tr. by Kennard Lipman
Kindly Bent to Ease Us I, tr. by Herbert V. Guenther
Kindly Bent to Ease Us II, tr. by Herbert V. Guenther
Kindly Bent to Ease Us III, tr. by Herbert V. Guenther
Longchenpa. The Practice of Dzogchen, tr. by Thulku Thondup
The Supreme Source (Kunjed Gyalpo). Clemente, Adriano. Chogyal Namkhai Norbu Rinpoche.
also... many precious texts translated by Tony Duff:
http://www.tibet.dk/pktc/transpaper.htm (both on Dzogchen and Mahamudra, and other subjects as well)
etc
Maitri Mangalam