(EN) Henry H. Donaldson, Anatomical Observations on the Brain and Several Sense-Organs of the Blind Deaf-Mute, Laura Dewey Bridgman, in The American Journal of Psychology, vol. 4, n. 2, E. C. Sanford, 1891, pp. 248–294, DOI:10.2307/1411270, ISSN 0002-9556 (WC · ACNP).
«Gauss, 1492 grm. 957 grm. 219588. sq. mm»