A Dictionary of Cebuano Visayan

The Scandinavian Element in the United States University of Illinois Studies in the Social Sciences, Vol. 111, No. 3, September, 1914

Sketches of Central Asia (1868) Additional chapters on my travels, adventures, and on the ethnology of Central Asia

Cornell Nature-Study Leaflets Being a selection, with revision, from the teachers' leaflets, home nature-study lessons, junior naturalist monthlies and other publications from the College of Agriculture, Cornell University, Ithaca, N.Y., 1896-1904

Travels in Central Asia Being the Account of a Journey from Teheran Across the Turkoman Desert on the Eastern Shore of the Caspian to Khiva, Bokhara, and Samarcand

The Adventures of a Special Correspondent Among the Various Races and Countries of Central Asia Being the Exploits and Experiences of Claudius Bombarnac of "The Twentieth Century"