Travels on the Tibetan Borders@@@The Rainbow Bridge@@@The Mystery Rivers of Tibet: A Description of the Little-Known Land Where Asia's Mightiest Rivers Gallop in Harness through the Narrow Gateway of Tibet, Its Peoples, Fauna, & Flora@@@The Romance of Plant Hunting@@@To the Alps of Chinese Tibet: An Account of a Journey of Exploration up To and among the Snow-Clad Mountains of the Tibetan Frontier