Морж

British mammals /. London, ;Longmans, Green,1920-21.. biodiversitylibrary.org/page/48418582

Abbildungen und Beschreibungen merkwürdiger naturgeschichtlicher Gegenstände /. Nürnberg :Im Verlag des Conrad Tyroff'schen Wappen-Kunst-und Commissions-Bureau's,1818-1822.. biodiversitylibrary.org/page/48425687

The game birds and wild fowl of Sweden and Norway London,F. Warne and co.,1867. biodiversitylibrary.org/page/14852302

The seals and whales of the British seas London,Jarrold and sons,1881. biodiversitylibrary.org/page/16187605

The living world. v.1. Boston :Samuel Walker & Co.,1868-1870, c1868. biodiversitylibrary.org/page/27533571

Our living world. v.1. New York :S. Hess,[1885] biodiversitylibrary.org/page/33500407

The animal kingdom; based upon the writings of the eminent naturalists, Audubon, Wallace, Brehm, Wood and others. New York :Johnson & Bailey,1897. biodiversitylibrary.org/page/15570737

[Die vergleichende Osteologie /. Bonn :In Commission bei Eduard Weber,1821-1838.. biodiversitylibrary.org/page/40170574

Le monde de la mer .... Paris,L. Hachette & Cie,1866.. biodiversitylibrary.org/page/2073707

The naturalist's library.. Edinburgh,W. H. Lizars; [etc., etc.]1833-. biodiversitylibrary.org/page/18065069