The elements of conchology; or Natural history of shells: according to the Linnean system. : With observations on modern arrangements. Q Science
Illustrations of the land and fresh water conchology of Great Britain and Ireland : with figures, descriptions, and localities of all the species Q Science
The Symmetric Group [electronic resource] : Representations, Combinatorial Algorithms, and Symmetric Functions Q Science
Alexander von Humboldt. Eine wissenschaftliche biographie, im verein mit R. Avé-Lallemant, J.V. Carus [u.a.].. Q Science
