Book  (1993)  Page(s) 166.  Includes photo(s).
 
Floribunda. Harkness (Britain) 1971. ('Lilac Charm' x 'Sterling Silver') Height: 75 cm (2 1/2 ft.) Some scent.

Book  (1974)  Page(s) 67.  
 
Dr. A. S. Thomas  Roses Overseas 1973. 
Seven Seas, Fl. (Harkness, 1973). ('Lilac Charm' x 'Sterling Silver'). A semi-double clear mauve cultivar of Type B (three to seven flowers in each panicle) with 25 fluted petals. Possibly the best mauve floribunda that I have seen.