Mosses with hand-lens and microscope; a non-technical hand-book of the more common mosses of the northeastern United States Q Science
I. The syzygetic pencil of cubics with a new geometrical development of its Hesse group, G216. II Q Science
Histoire naturelle des drogues simples; ou Cours d’histoire naturelle professé a l’École supérieure de pharmacie de Paris Q Science
