Book  (19 Apr 2000)  Page(s) 175.  
 
'Fru Xenia Jacobsen', HT, dr, 1925; flowers deep red, well shaped, dbl., moderate fragrance; vigorous growth; (Etoile de france X Richmond); Poulsen, S.

Book  (1936)  Page(s) 366.  
 
Jacobsen, Fru Xenia (HT) Poulsen 1928; dark red, large, double, ovoid, solitary or up to 3, fragrance 7/10, growth 5/10, broad. Sangerhausen