Collins, G. N.  1872-1938. <br/><br/>
An improved method of artificial pollination in corn. 
By G.N. Collins and J.H. Kempton. 
 - Washington,  Govt. Print. Off.,  1912. 
 - 7 p.  illus.  23 cm. 
 - United States. Dept. of Agriculture. Bureau of Plant Industry. Circular  no. 89 .
<br/><br/><label>LCCN: </label>agr12000018  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corn--Breeding.<br/>Corn--Pollination.<br/>Pollination.
<br/><br/><label>LC Class. No.: </label>SB19  / .A33 no. 89