The trend of the race; a study of present tendencies in the biological development of civilized mankind Q Science
The philosophy of mathematics, with special reference to the elements of geometry and the infinitesimal method Q Science
Benefits and costs of geologic mapping programs in Illinois : case study of Boone and Winnebago Counties and its statewide applicability Q Science
Trees, shrubs and vines of the northeastern United States; their characteristic landscape features fully described for identification by the non-botanical reader; together with an account of the principal foreign hardy trees, shrubs and vines cultivated in our country, and found in Central park, New York city Q Science
Tychonis Brahe De nova et nullius aevi memoria prius visa stella, iam pridem anno a nato Christo 1572, mense Novembri primum conspecta, contemplatio mathematica Q Science
Meteorology; a text-book on the weather, the causes of its changes, and weather forecasting, for the student and general reader Q Science
