Article John van Wyhe (2020)
Johann Gaspar Spurzheim: The St. Paul of Phrenology. Journal of the History of the Neurosciences (pp. 5-16). (/isis/citation/CBB951876615/) unapi

Article Gül A. Russell (2020)
The Phrenological Illustrations of George Cruickshank (1792–1878): A Satire on Phrenology or Human Nature?. Journal of the History of the Neurosciences (pp. 119-149). (/isis/citation/CBB228771297/) unapi

Article Harry Whitaker; Gonia Jarema (2017)
The Split Between Gall and Spurzheim (1813–1818). Journal of the History of the Neurosciences (pp. 216-223). (/isis/citation/CBB914152914/) unapi

Chapter van Wyhe, John (2007)
The Diffusion of Phrenology through Public Lecturing. In: Science in the Marketplace: Nineteenth-Century Sites and Experiences (p. 60). (/isis/citation/CBB000773402/) unapi

Book Mann, Gunter; Dumont, Franz (1988)
Gehirn--Nerven--Seele: Anatomie und Physiologie im Umfeld S. Th. Soemmerrings. (/isis/citation/CBB000047697/) unapi