Wild flowers of the north-eastern states; being three hundred and eight individuals common to the north-eastern United States Q Science
Florula bostoniensis. A collection of plants of Boston and its environs, with their generic and specific characters, synonyms, descriptions, places of growth, and time of flowering, and occasional remarks Q Science
Spencer Fullerton Baird; a biography, including selections from his correspondence with Audubon, Agassiz, Dana, and others Q Science
Nature et faune : revue internationale pour la conservation de la nature en Afrique = Wildlife and nature : international journal on nature conservation in Africa Q Science
The solar system; six lectures delivered at the Massachusetts institute of technology in December, 1902 Q Science
