Across the Andes / A Tale of Wandering Days Among the Mountains of Bolivia and the Jungles of the Upper Amazon Adventures in Bolivia Exploration of the Valley of the Amazon, Part 1 (of 2) Exploration of the Valley of the Amazon, Part 2 (of 2) In Far Bolivia: A Story of a Strange Wild Land The Mentor: Italy Under War Conditions, Vol. 6, Num. 23, Ser. No. 171, January 15, 1919
