Webster, Raymond B <br/><br/>
African American firsts in science and technology 

 - Detroit, MI:  Gale Group,  1999 
 - xiii, 461 p. : ill. ; 24 cm 
<br/><br/><label>ISBN: </label>9780787638764 
<br/><br/><label>Subjects--Topical Terms: </label><br/>African American inventors - Biography - Juvenile literature
<br/><br/><label>Dewey Class. No.: </label>508.996073 WEB