Morgan, W. W. <br/><br/>
An atlas of stellar spectra with outline of spectral classifications 
W. W. Morgan                                                
 - Chicago  University of Chicago Press  1943 
 - [various pagings.] 
 - Astrophysical monographs .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stellar spectra, Spectral classification, Atlas
<br/><br/><label>Universal Decimal Class. No.: </label>084.4:52  / MOR