Jaques, H. E. <br/><br/>
Living things, how to know them  an illustrated key to the phyla, classes and more important orders of plants and animals with suggestions for studying them. 
By H. E. Jaques. 
 - Rev. ed. 
 - Dubuque, Ia.  Wm. C. Brown Company  [1947] 
 - iv, 172 p.  illus. 
 - Pictured key nature series .
<br/><br/> "Copyright ... 1946." 
<br/><br/>"Some helpful reference books": p. 12-13. 
<br/><br/><label>LCCN: </label>47002577 //r842 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Classification.
<br/><br/><label>LC Class. No.: </label>QH315  / .J3 1947 
<br/><br/><label>Dewey Class. No.: </label>574/.012