Hacckel, E. <br/><br/>
Riddle of the universe :  at the close of the nineteenth century 
E. Hacckel 
 - New York :  Harper & Brothers Publishers,   1900. 
 - xii, 390p. :  ill. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library American, civilization<br/>civilization<br/>Monism<br/>Evolution<br/>Religion and science
<br/><br/><label>LC Class. No.: </label>B3262.W45E6