American men and women of science. 

 - 13th. ed. 
 - New York  Bowker  1976- 
 - v.  29 cm. 
<br/><br/> "A biographical directory" (varies).  Continues American men of science.  Vols for 1971- edited by the Jacques Cattell Press. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--biography.--United States<br/>Scientists--Directories.--Canada<br/>Scientists--Biography.--Canada<br/>Scientists--Directories.--United States<br/>Scientists--Biography.--United States<br/>Science--directories.--Canada<br/>Science--biography.--Canada<br/>Science--directories.--United States