Some phases of the Pleistocene of Iowa, with special reference to the Peorian interglacial epoch .. Q Science
Medical botany: containing systematic and general descriptions, with plates of all the medicinal plants, indigenous and exotic, comprehended in the catalogues of the materia medica, as published by the Royal Colleges of Physicians of London and Edinburgh: together with most of the principal medicinal plants not included in those pharmocopoeias. Accompanied with a circumstantial detail of their medicinal effects, and of the diseases in which they have been most successfully employed Q Science
Final environmental impact statement prepared on the proposed Looe Key National Marine Sanctuary Q Science
Darwin and modern science; essays in commemoration of the centenary of the birth of Charles Darwin and of the fiftieth anniversary of the publication of the Origin of species Q Science