Book  (Dec 2000)  Page(s) 399.  
 
David R. Williamson
Hybrid Perpetual
William Paul 1905

Book  (1936)  Page(s) 759.  
 
Williamson, David R. (HP) W. Paul 1905; velvety dark crimson, large, double, upright.

Website/Catalog  (1911)  Page(s) 24.  
 
Hybrid Perpetual Roses. David R. Williamson. Soft, rich carmine, large, full, very fragrant; truly ever-blooming.

Magazine  (25 Aug 1906)  Includes photo(s).
 
A crimson and richly fragrant H.P. (Hort. W. Paul and Son)

Website/Catalog  (1906)  Page(s) 6.  
 
Novelties in Roses for 1906.
David R. Williamson (Hybrid Perpetual) Soft rich carmine rose; large, full, and expanded in shape, after the style of Etienne Levet; petals smooth and firm in texture; flowers of extra-ordinary fragrance and habit truly " perpetual", every shoot both in summer and autumn being crowned with flower buds. An exhibition flower of the first quality, and at the same time a bedding and decorative variety of the greatest excellence; growth vigorous, even, and regular whilst flowers produced on strong upright stalks. 

Book  (1906)  Page(s) 171.  
 
Roses annoncées pendant l'impression
10.980. David R. Williamson, Hybride Remontant, W. Paul 1905 cramoisi foncé

Magazine  (1906)  Page(s) 73.  
 
David R. Williamson is a very good variety and has given great satisfaction. It generally bears at least three blooms on very long, stout stems. The size and shape are excellent....