Book  (1990)  Page(s) 71.  Includes photo(s).
 
Röte Hermosa China. Geissler 1899... Parentage: 'Hermosa' x 'Reine Marie Henriette'... deep reddish-carmine...

Book  (1936)  Page(s) 342.  
 
Hermosa, Dunkelrote (hybrid china) Geissler 1899; Reine Marie Henriette X Hermosa; deep carmine, medium-size, double, globular, Hermosa-form, fragrance 5/10, floriferous, growth 5/10

Magazine  (3 Jun 1911)  Page(s) 266.  
 
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...
Dunkelrote Hermosa... Bourbon, Geissler, 1899, Reine Marie Henriette X Hermosa

Magazine  (1899)  Page(s) 28.  
 
New roses for 1899. Dunkelrote Hermosa (Geissler). Introduction by J. C. Schmidt. It is known how popular and indispensable the old known Monthly Rose "Hermosa" has become since ist introduction. Thanks to its excellent characteristics, like fine form and colour of the blooms, good longevity, good growth and untiring blooming, it stood up to now at the top of Monthly Roses. To see the same good old sort represented in a darker colour was a long-cherished wish wish of all rose lovers....she is the result of a crossing of "Reine Marie Henriette" and "Hermosa". From the latter she retains the growth and all the abovementioned excellent characteristics, only the colour is a magnificent deep carmine.....