クリストファー・ドレッサー
Dresser, Christopher (1860). Unity in Variety, as Deduced from the Vegetable Kingdom. London: James S. Virtue. https://archive.org/details/unityinvarietyas00dres
Dresser, Christopher (1859). The Rudiments of Botany, Structural and Physiological. London: James S. Virtue. https://books.google.com/books?id=J6JWAAAAcAAJ
Dresser, Christopher (1860). Popular manual of Botany. https://books.google.com/books?id=msXRmgEACAAJ