Book  (Apr 1999)  Page(s) 424-425.  
 
Minna Hybrid Tea. Kordes, 1930. Sport of 'Gruss an Aachen' (Hybrid Tea). The author cites information from different sources... A reddish pink sport of 'Gruss an Aachen'. It is not quite so full, but otherwise no different from the parent...

Book  (1958)  Page(s) 237.  
 
Minna. F. (Kordes, '30.) Gruss an Aachen sport. Large, dbl., slightly fragrant, rosy pink; cluster. Fol. rich green, leathery. Bushy, dwarf.

Magazine  (Jun 1948)  Page(s) 2. trimester, p.25.  
 
Pseudo-Polyanthas non issus de Rosa multiflora x chinensis, fleurs en corymbes ....
Minna, Sport de Gruss an Aachen

Book  (1936)  Page(s) 481.  
 
Minna (polyantha) Kordes 1930; sport of Gr. an Aachen; pink, reverse striped light red and scarlet, large, 3/4-full, high-centered, lasting, cluster-flowered, fragrance 3/10, floriferous, continuous bloom with interruptions, growth 5/10, bushy, short. Sangerhausen

Website/Catalog  (1935)  Page(s) Spring issue, p. 91.  
 
Minna (Polyantha). Bred from the large-bloomed Polyantha 'Gruss an Aachen', similar in habit, height and floriferousness to the parent, the colour however is a pleasant apple-blossom pink.  ...Low garden plants 1 piece RM [Reichsmark] -.60  10 pieces RM 5.50

Book  (1932)  Page(s) 163.  
 
Roses in other Lands. Sangerhausen. 'Minna'. D. Poly. (Kordes, 1930) Reddish Pink sport of 'Gruss an Aachen' not quite so full. The name signifies the wife of te originator.

Magazine  (Feb 1931)  Page(s) 12.  
 
Roses de 1930. ...W. KORDES' SOHNE, Rosenschulen. Sparrieshoop in Holstein (Allemagne).
Minna, multiflore. — (Accident fixé de « Gruss an Aachen »). Coloris rose saumoné.