Book  (1958)  Page(s) 150.  
 
Harlequin. R. (F. Cant, '35.) Excelsa Sport. Half pale pink and half dark red; cluster. Very vig., cl.

Book  (1936)  Page(s) 226.  
 
Harlequin. R. (Stanway Rose Gardens, 1935.) Sport of Excelsa. Flower half pale pink and half dark red, ...

Book  (1936)  Page(s) 330.  
 
Harlequin (hybrid wichurana) Stanway Rose Gardens 1931; sport of Excelsa; white and red mixed, medium-size, well double, clusters of 50, fragrance 5/10, floriferous, growth 8/10, climbing, 3 m. Sangerhausen.

Book  (1932)  Page(s) 207.  
 
Trial Ground No. 284.     Harlequin (wich).  Stanway Rose Gardens.   Colour – White and red.  Shape of bloom – Clusters, as Excelsa. Fragrance – fragrant.  Habit of growth – very vigorous. Purpose best suited – Rambler, pillar, pergola
Remarks – An interesting and novel sport from Excelsa