4 Pages in Charles Darwin's Library associated with "people/references - Unger"

Elements of physiology
By: Müller, Johannes, - Baly, William,
Publication info: London, Taylor & Walton, 1838-1842
Volume: v.2
Pages: Page 1479
Histoire naturelle générale des règnes organiques
By: Geoffroy Saint-Hilaire, Isidore,
Publication info: Paris, Victor Masson, 1854-1862
Volume: v.2
Pages: Page 441
A manual of elementary geology
By: Lyell, Charles, Sir,
Publication info: [s.n.], [s.n.], 1855
Pages: Page 192 Page 193