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Epistola anatomica, problematica octava / Authore Johanne Henrico Graetz, ad virum clarissimum Fredericum Ruyschium. [With his reply] ... de structura nasi cartilaginea, vasis sanguiseris arteriosis membranæ & cavitatis tympani & ossiculorum auditus eorumque periostio. Public Domain Mark. Source: Wellcome Collection.