Book  (2006)  Page(s) 107.  
 
'Doris Ryker'. Pol. Good reliable rebloom. Moderate fragrance 3 [Habit of growth] . Leenders, 1942. Provenance: San Jose Heritage Rose Garden Small flowers, very double, with frilled petals make charming pompons of soft ivory pink tinted peach.

Book  (1999)  Page(s) 28.  
 
'Doris Ryker' ('Dorus Rijkers'). Leenders, Netherlands, 1942. Polyantha. Coral pink/apricot. [available from]: Gretchen, Hedgerow, Honeysuckle, Melville, Reliable, Thomas.

Book  (1986)  Page(s) 129.  Includes photo(s).
 
'Doris Ryker' (1942). A very pretty shade of salmon-pink. The medium -sized flowers appear in clusters and are fragrant. Bound to be popular when better known.

Book  (1964)  Page(s) 147.  
 
Floribunda roses for forcing: 'Dorus Rjikers'. Light salmon.

Book  (1956)  Page(s) 203.  
 
Polyantha Pompons in Commerce. 'Doris Ryker', de Ruiter, 1942. Salmon-pink; medium-sized, full, free flowering and fragrant.

Book  (1952)  Page(s) 72.  
 
'Doris Ryker'. Pol. (From Holland; int. U.S., Klyn, '42). Medium size, dbl., fragrant, salmon-pink; cluster. Fol. light green. Vig (2 1/2 ft), upright; abundant bloom.

Book  (1948)  Page(s) 217.  
 
'Doris Rykers' (Poly. Dwf); Flowers beautiful light salmon-pink. Fine dwarf habit and nice bushy growth. Flowers with great freedom over a long season. Bedding, Edging