Blakeslee, Howard <br/><br/>
Know your heart 
by Howard Blakeslee 
 - New York  Pub. Affairs Committee  1948 
 - 28p. 
 - Public Affairs Pamphlet No.137 .
<br/><br/> $0.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heart Diseases
<br/><br/><label>Dewey Class. No.: </label>O9 B585k