Book  (Apr 1993)  Page(s) 87.  
 
Charlotte Klemm China, red shaded orange, 1905, Türke. Description.

Book  (Jun 1992)  Page(s) 36.  
 
Charlotte Klemm ('Sirene', 'Sirena', 'Sisena') China. Türke, 1905. Parentage: 'Alfred Colomb' x 'Cramoisi Supérieur'. [Author cites information from different sources. The Journal des Roses says, Charlotte Klemm, probably daughter or wife of Klemm of Hoyer & Klemm, "rose-growers of Dresden."]

Book  (1947)  Page(s) 119.  
 
Chinensis CHARLOTTE KLEMM has semi-double medium flowers in groups, of fiery-red shaded dull orange and crimson, and produces its flowers with exceptional freedom.
Turke 1905. Deciduous. Vigorous. Fragrant... June-October. Hardy.

Book  (1936)  Page(s) 388.  
 
Klemm, Charlotte (hybrid china) Türke 1905; A. Colomb X Cramoisi supérieur; glowing blood-red, lasting, medium to large, semi-double, solitary, floriferous, continuous bloom, upright stems, growth 5/10, dense, well-branched, Sangerhausen. Earlier name: Sirene.

Book  (1936)  Page(s) 668.  
 
Sisena = Charlotte Klemm

Book  (1921)  Page(s) 109.  
 
China Roses
The following are some of the best of these dainty and prolific roses:
Charlotte Klemm. A blood-red and gold blend.

Article (magazine)  (1919)  Page(s) 76.  
 
Charlotte Klemm must certainly not be overlooked. For a dazzling red colour it holds its own against any other bedding Rose, its flowers open wide and are borne erect

Magazine  (1918)  Page(s) 6.  
 
Charlotte Klemm....vivid red

Magazine  (28 Sep 1912)  Page(s) 738.  
 
Southwell Nurseries, Notes...Charlotte Klemm, one of the best and most brilliant of the China section, flowered as though in competition for the production of the greatest quantity of blooms, and that is the kind of rose we want for bedding purposes.

Magazine  (27 May 1911)  Page(s) 254.  
 
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...
Charlotte Klemm... Hybrid China, Turke, 1906, Alfred Colomb X Cramoisie Supérieure