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The human harvest; a study of the decay of races through the survival of the unfit
History of Greek and Roman philosophy and science
Cottage economy; containing information relative to the brewing of beer, making of bread keeping of cows, pigs, bees, ewes, goats, poultry, and rabbi…
Voyage of the United States frigate Potomac : under the command of Commodore John Downes, during the circum-navigation of the globe : in the years 18…
The travels and researches of Alexander von Humboldt : being a condensed narrative of his journeys in the equinoctial regions of America, and in Asia…
Elizabeth Cary Agassiz : a biography
The manners and customs of all nations; also, remarkable biographies, notable histories, eccentric sects, singular inventions, natural curiosities, m…
The relation of science and philosophy ...
On the hypothesis of evolution: physical and metaphysical
Outdoor studies. Poems