* The Adventures of a Ghazi
* India in the Churum Era: A Chronicle of the Great Subcontinent
* The Pearl-fishers of the Persian Gulf
* In a Syrian Saddle
* The Gateway of India: A Book of Travel and Discovery in the Land of Elephants
Articles:
* "In the Persian Gulf" (National Geographic Magazine, 1911)
* "The Cradle of the Human Race" (National Geographic Magazine, 1912)
* "Across the Deserts of Arabia" (National Geographic Magazine, 1913)
* "The Lost Tribes of Israel" (National Geographic Magazine, 1914)
* "The Garden of Eden" (National Geographic Magazine, 1915)