Book  (1941)  Page(s) 97.  
 
Editor. Roses of New Zealand.
1921. 'Radium'. 'Frau Karl Druschki' x 'Beaute de Lyon' and 'Louisa Breslau' or 'Juliet'.

Book  (1936)  Page(s) 595.  
 
Radium (HT) Lipiatt 1922; Beauté Lyonnaise X Cpt. Hayward; carmine, shaded carmine-red, large, double, fine form, in 2-5, floriferous, repeats, growth 6/10, upright. Sangerhausen

Book  (1930)  Page(s) 223.  
 
'Radium'. HT (Lippiatt, 1922). 'Beaute Lyonnaise' x 'Captain Hayward'. Flower well formed, carmine, shaded coppery red. Growth vigorous, upright; free bloomer.

Book  (1920)  Page(s) 160.  
 
'Radium'. Pernetiana. Carmine shaded coppery red. Vigorous and upright; does not die back.