Young, Frank N. <br/><br/>
A checklist of the American Bidessini (Coleoptera: Dytiscidae-Hydroporinae) 
[by] Frank N. Young. 
 - Washington,  Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]  1969. 
 - Smithsonian contributions to zoology ;  no. 33 .
 - Contribution no. 809 from the Zoological Laboratories of Indiana University. .
 - Indiana University. Zoological Laboratory. Contributions ;  Indiana University. Zoological Laboratory. Contributions ;  Indiana University. Zoological Laboratory. Contributions ;  no. 809 .
<br/><br/>Bibliography: p. 4-5. 
<br/><br/><label>ISBN: </label> 0.20 (paper cover) 
<br/><br/><label>LCCN: </label>78604746 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dytiscidae.<br/>Beetles -- America.--Beetles -- America.
<br/><br/><label>LC Class. No.: </label>QL1  / .S54 no. 33 
<br/><br/><label>Dewey Class. No.: </label>591/.08 s