19th century explorers / 
ed. by Sir Harry Johnston. 
 - London :  Collins,  ?. 
 - 192 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Explorers--Africa, Central Sub-Saharan.
<br/><br/><label>LC Class. No.: </label>DT351  / .N56