Annie J.Cannon, Edward C.Pickering <br/><br/>
The Henry Draper Ccatalogue  15h and 16h 
Annie J.Cannon, Edward C.Pickering 
 - Cambridge  Publisher by Observatory  1921 
 - 235 p.tab.  Photocopy 
 - Annals of the Astronomical Observatory of Harvard College  vol.96(1921, 235 p.tab.photocopy) .
<br/><br/><label>Subjects--Topical Terms: </label><br/>astrophysocs--Catalogue
<br/><br/><label>Subjects--Index Terms: </label>Star Catalogue 
<br/><br/><label>Dewey Class. No.: </label>B611C58f293