Pettit, R. H <br/><br/>
Insects of 1907  / 
R. H. Pettit 
 - East Lansing, Michigan  :   State Agricultural College 
 - 114-123 p. 
 - Michigan. Sta. Agr. Coll. Bull; 251 .
<br/><br/><label>LCCN: </label>202505 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insectos -- Indentificación