Buchsbaum, Ralph,  1907-2002. <br/><br/>
Animals without backbones :  an introduction to the invertebrates / 
Ralph, Buchsbaum 
 - 2nd ed. 
 - London :  Univ. of Chicago Press,  c 1938, 1948 , [Impression 1967] 
 - xi, 405 p. :  ill. ;  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Invertebrates.<br/>Invertebrates.
<br/><br/><label>Dewey Class. No.: </label>592  / BUA 1948