Hagen, I. G. <br/><br/>
Atlas stellarum variabilium  complectens stellas variabiles intre limites declinationis + 25 et + 90 
I. G. Hagen and  C. W. Bruce                                                 
 - Berlin  Felix L. Dames  1900 
 - [various pagings.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Variable stars
<br/><br/><label>Universal Decimal Class. No.: </label>084.4:52  / HAG