Epistola anatomica, problematica septima / Authore Johanne Henrico Graetz, ad ... Fredericum Ruyschium [With his reply] ... de pia matre, ejusque processibus.

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Epistola anatomica, problematica septima / Authore Johanne Henrico Graetz, ad ... Fredericum Ruyschium [With his reply] ... de pia matre, ejusque processibus. Public Domain Mark. Source: Wellcome Collection.