^Hershey, David (1996). "Doctor Ward's Accidental Terrarium". The American Biology Teacher. 58 (5): 276–281. doi:10.2307/4450151. JSTOR4450151.
^Coleman, E. C. (2006). The Royal Navy in Polar Exploration, from Frobisher to Ross. Stroud: Tempus Publishing. p. 335. ISBN978-0-7524-3660-9.
^Lyman, H. M. (1881). "History of anaesthesia". Artificial anaesthesia and anaesthetics. New York: William Wood and Company. p. 6. Retrieved 2010-09-13.
^오웬, R. (1842)"영국 화석 파충류에 대한 보고서" 파트 2영국 플리머스 과학진흥협회 보고서.
^"Uber das farbige Licht der Dopelsterne und Einiger and Gestirne des Himmels – Versuch einer das Bradley's sche argemeen allgemeen Theorie" (쌍성 굴절된 별과 다른 천체의 색채 빛에 대한 일반적인 시도)part(부분))Abhandlungen der kaiserrichen bhmhm. Gesellschaft der Wissenschaften zu Prag (Prague) V Folge 2. 1842년 5월 25일
^Haines, Catharine M C; Stevens, Helen M (2001). International Women in Science: A Biographical Dictionary to 1950. Santa Barbara: ABC-CLIO. p. 66. ISBN978-1-57607-090-1.
^Bernce, Arvid (1981). Efter 1809 en Krönika i ord och bild om Finlandssvenskarna (in Swedish). Helsingfors: Bernces förlag. p. 2003. ISBN978-9-15000-408-3.