Official guide to the National Museum of American History / 
National Museum of American History (U.S) 
 - Washington :  Smithsonian Institution Press,  1990       
 - 96 p. 
<br/><br/><label>ISBN: </label>0874746833 
<br/><br/><label>LC Class. No.: </label>002 E 172 N277o 1990