The HR diagram  the 100th anniversary of Henry Norris Russel 
edited by A. G. Davis Philip and Henry Norris Russell 
 - Dordrecht  D. Reidel Publishing  1978 
 - xxvi, 474p. 
<br/><br/><label>ISBN: </label>90-277-0905-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Henry Norris Russel<br/>Hertzsprung Russell diagram<br/>Spectra
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / IAU-S80