Bhutan Materials
Bhutan, 1964-5: Medical Research and Geographical Exploration, 1997.
Himalayan Scientific Expedition, North Bhutan, 1965.
Additional Note
Bhutan, A Short History of Exploration, Part One, 1997.
Additional Note
Bhutan, A Short History of Exploration, Part Two, 1997.
Additional Note
Reprints of Bhutan Articles, 1965 -1997.
Additional Note