Wodehouse, Roger P.  b. 1889. <br/><br/>
Pollen grains :  their structure, identification, and significance in science and medicine / 
R. P. Wodehouse 
 - New York ;  Hafner Publishing Company,  1959 
 - xv, 574 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollen--Morphology<br/>Botany--Classification