Comfort, Mildred H. <br/><br/>
Herbert Hoover:  Boy engineer / 
Mildred H. Comfort 
 - New York:  Bobbs-Merrill,  1965 
 - 200 p.;  ill.,  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hoover, Herbert, 1874 - 1964--Juvenile literature--Biography
<br/><br/><label>Dewey Class. No.: </label>813.54  / COM