"Ancient descriptions of movement disorders: Cathedral el Burgo de Osma (Soria, Spain)". J. Neurol. 253 (6): 731–4. June 2006. doi:10.1007/s00415-006-0100-8. PMID16511653.
jstor.org
Mildred Davison (1968). "An Altarpiece from Burgo de Osma". Art Institute of Chicago Museum Studies. 3: 108–124. JSTOR4104302.
"Ancient descriptions of movement disorders: Cathedral el Burgo de Osma (Soria, Spain)". J. Neurol. 253 (6): 731–4. June 2006. doi:10.1007/s00415-006-0100-8. PMID16511653.