Kopper, Philip <br/><br/>
The National Museum of Natural History / 
by Philip Kopper ; photographs by Kjell Sandved and Chip Clark . 
 - New York :  Abrams in association with the Smithsonian Institution ,  1982. 
 - 495 p.;  ill.;  30 cm. 
<br/><br/><label>ISBN: </label>0-8109-1359-3