Harmer, S.F. <br/><br/>
The Cambridge Natural History : Hemichordata 
/ by S.F. Harmer 
 - England :  Macmillian,  1904 
 - V, 729 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Hemichordata
<br/><br/><label>Dewey Class. No.: </label>597  / HAR-H