Book  (Apr 1993)  Page(s) 627.  
 
Violet Simpson Hybrid Tea, [op] vivid prawn-pink, base yellow, 1930, Simpson; Laxton Bros.; Howard & Smith...

Website/Catalog  (1938)  Page(s) 42.  
 
Bush Roses
Violet Simpson (Hybrid Tea)... Vivid shrimp pink. Full and beautifull-formed flower. Dwarf, bushy growth. A useful decorative and garden Rose. Highly perfumed. Introduced 1930.

Book  (1936)  Page(s) 666.  
 
Simpson, Violet (HT) Simpson 1928 (Laxton); glossy cherry-red to crab-red, base deep golden-yellow, large, well double, fine form, lasting, fragrance 7/10, floriferous, repeats well, purple branches, growth 6/10, upright. Sangerhausen

Website/Catalog  (1933)  Page(s) 19.  
 
Violet Simpson Hibrida The, fiore rosso grancevola vivo, base dei petali giallo oro, grande pieno di forma perfetta, petali lunghi ricurvi, molto profumata, peduncolo lungo e rigido, molto fiorifera e ottima per la forzatura.

Website/Catalog  (1932)  Page(s) 9.  
 
Violet Simpson.- Rose crevette (1930).

Website/Catalog  (1932)  Page(s) 46.  
 
New Roses 1932.  Violet Simpson (HT. Laxton 1930) Colour vivid shrimp pink, a new shade. Strong erect growth and disease resistant foliage, beautiful form with distinct perfume. 4/- each. 
Moderate growth. 30-35 petals. May improve.
 

Article (misc)  (1929)  Page(s) 222.  
 
Violet Simpson Hybrid Tea (James Simpson; introduced by Laxton Bros. and Howard & Smith, 1928)... bright cerise with yellow base. Certificate of Merit NRS, 1928; Gold Medal, Scottish National Sweet Pea, Rose and Carnation Society, 1928.