Book  (1936)  Page(s) 583.  
 
Preziosa (HT) Vieweg 1896; Niphetos X M. Pierson; velvety deep carmine, large, well double, fine form, lasting, solitary or up to 3, fragrance 7/10 (tea), floriferous, continuous bloom, free-blooming, long stems, growth 6/10, dense

Magazine  (29 Jul 1911)  Page(s) 362.  
 
The Parentage of Roses.
The following list of the world's Roses and their parentage has been compiled by Mr. Robert Daniel, 38 Russell Road. Fishponds, Bristol, and by his kind permission we are enabled to publish it...
Preciosa... Hybrid Tea, Vieweg, 1896, Niphetos X Madame Pierson

Website/Catalog  (1904)  Page(s) 100.  
 
Preciosa  HT.  Deep velvety carmine, changing to crimson; free and effective