An indefatigable worker, Bory wrote on several branches of natural history, including the study of reptiles, fish, microscopic animals, plants, cryptogams, etc. He was the main editor of the "", of the "Dictionnaire classique d'histoire naturelle en 7 volumes" and of the scientific part of the "Expédition de Morée". He participated in composing for the "Encyclopédie Méthodique" the sections concerning the zoophytes and the worms, as well as for the volumes of the physical geography and atlas that accompanied them. He also wrote well-composed geographical summaries, especially the one concerning Spain, and contributed many articles notable for the originality of their ideas to the "Encyclopédie moderne".