Hubble, Edwin Powell,  1889-1953. <br/><br/>
Our sample of the universe, 
by Dr. Edwin P. Hubble. Being a lecture delivered at the Administration building of Carnegie institution of Washington, January 5, 1937. 
 - Washington, D.C.,  Carnegie institution of Washington,  1937. 
 - 13 p.  illus., diagr.  26 cm. 
 - Carnegie institution of Washington. Supplementary publications,  no. 33 .
<br/><br/> "Reprinted from the Scientific monthly, December, 1937, vol. XLV, pages 481-493." 
<br/><br/><label>LCCN: </label>cd 38000061  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology<br/>Astronomy<br/>Nebulae
<br/><br/><label>LC Class. No.: </label>QB500  / .H8