title: [Karl Ernst von Baer 1792-1876].
mesh_terms: D000818:Animals; D001695:Biology / Q000266:history*; D005858:Germany; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D012425:Russia (Pre-1917)
vernacular_title: Karl Ernst von Baer 1792-1876