Tschudi, Johann Jacob von,  1818-1889 <br/><br/>
Classification der Batrachier / 
Tschudi with an introduction by Robert Mertens 
 - Ann Arbor, Michigan :  Society for the Study of Amphibians and Reptiles,  1967 
 - 99 p. :  ill.  ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amphibians--Classification