Cohen, Paul S <br/><br/>
America's scientific treasures : a travel companion 
Paul S. Cohen and Brenda H. Cohen 
 - Washington, DC  American Chemical Society  1998 
 - xviii, 446 p. : ill. ; 23 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>841234442 
<br/><br/><label>ISSN: </label>97051948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Historic sites - United States - Guidebooks<br/>National parks and reserves - United States - Guidebooks<br/>Science museums - United States - Guidebooks<br/>United States - Guidebooks
<br/><br/><label>Dewey Class. No.: </label>507.473 COH