Newsletter  (Aug 2012)  Page(s) 6.  
 
Latest research shows that this is not the rose we think it is. Professor Anne Bruneau at the Université de Montéal has demonstrated by comparative DNA analysis that the rose sold as ‘Himmelsauge’ is genetically identical to ‘Russeliana’

Article (newsletter)  (Jul 2012)  Page(s) 33.  
 
Himmelsauge, so far as I have been able to observe, is identical to Russelliana. The story might well end there, except that there are qualities in Russelliana that have long puzzled me. The foliage in particular is very much in the style of R. setigera, and not typical of R. multiflora hybrids. Even the most recent plants we have received from Cliff Orent’s importations from Europe I believe to be suspect.

Article (magazine)  (2011)  Page(s) 118.  
 
Questionable rose identities: We do not recognize following rose cultivars of Rudolf Geschwind as corresponding to the historical descriptions:....'Himmelsauge' - Multiflora, 1895....

Article (magazine)  (2006)  Page(s) 7, 9.  
 
p. 7: Among the roses Geschwind created with R. rugosa were...the very unusual purple-blooming, almost indestructible climber called Himmelsauge.

p. 9: Some roses were sold to Peter Lambert (Zigeunerknabe and Parkzierde) and to J. C. Schmidt (Himmelsauge, Schneelicht and Theano) and are still attributed to them.

Book  (2003)  Page(s) 56.  
 
'Himmelsauge' syn. 'Francesco Dona' (Geschwind, introduced and renamed by Schmidt, 1894). Description

Book  (Apr 1999)  Page(s) 281.  
 
Himmelsauge Translation: "Heaven's Eye". Geschwind/J/C/ Schmidt 1895. Parentage: Rosa setigera x R. rugosa 'Plena'. The author cites information from different sources... dark velvety purple-red...

Book  (1996)  Page(s) 60.  
 
'Himmelsauge' (Geschwind 1895) R. setigera x R. rugosa 'Rubra Plena' Dark purple-red, large, double, cluster-flowered, floriferous, fragrant. Tall.

Website/Catalog  (1938)  Page(s) 12.  
 
Himmelsauge [set.] (Geschwind 94), very dark velvety violet-red, large, double, upright, fragrant, late-blooming, hardy.

Book  (1936)  Page(s) 78.  
 
Rosa setigera....Himmelsauge, 1894 (Geschwind): Bloom 8-9 cm, very double, fragrant, dark velvety violet-purple. Abundant growth 2,5-4 m. Very hardy, late-blooming hardy variety.

Book  (1936)  Page(s) 346.  
 
Himmelsauge (multiflora) Geschwind 1895 [R. rubifolia (setig.) X R. rug. rubra plena; velvety dark purple, large, double, solitary and in clusters of 6, fragrance 7/10, floriferous, late bloom, growth 8/10, climbing, 3m., hardy. Sangerhausen