Halacy, D. S. (Daniel Stephen), 1919-  Halacy, D. S. (Daniel Stephen), 1919- <br/><br/>
9 roads to tomorrow. 

 - [New York] :  MacFadden-Bartell,  [1966] 
 - Ladder edition ;  1-28 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology.<br/>Inventions.<br/>Science.