Smithsonian astrophysical observatory star catalog  positions and proper motions of 258, 997 stars for the epoch and equinox of 1950.0, pt. i 
Smithsonian Astrophysical Observatory. 
 - Washington, D. C  Smithsonian Institution Press  1966 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Catalogue-Stars<br/>Stars catalogue
<br/><br/><label>Universal Decimal Class. No.: </label>083:523  / SMI-I