Clark William R <br/><br/>
Explorers of the world / 
William R.Clark with paintings by Hans Schwarz. 
 - Garden city :  The Natural History,  1964. 
 - 252 p. :  ill. ,  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discoveries in geography
<br/><br/><label>LC Class. No.: </label>G80