None  <br/><br/>
Illustrated science & invention encyclopaedia 

 - New York  H.S.Stuttman & co.  1977 
 - 128 
 -  1 .
<br/><br/><br/>ENGLISH 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Encyclopaedia
<br/><br/><label>Dewey Class. No.: </label>503