• The Anatomy of British Sea Power: A History of British Naval Policy in the Pre-Dreadnought Era, 1880–1905
  • Belomor, An Account of the Construction of the New Canal between the White Sea and the Baltic Sea
  • Machu Picchu: A Citadel of the Incas, Report of the Explorations and Excavations made in 1911, 1912 and 1915 under the auspices of Yale University and The National Geographic Society
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