Book  (Apr 1999)  Page(s) 556.  
 
Geheimrat Dr. Mitteweg Lambertiana. Peter Lambert 1909

Book  (Apr 1993)  Page(s) 202.  
 
Geheimrat Dr. Mittweg Shrub, rose-red, center yellowish white, 1909, ('Mme. Norbert Levavasseur' x 'Trier') x R. foetida bicolor; Lambert, P. Description.

Book  (1939)  Page(s) 9.  
 
Geheimrat Dr. Mittweg, pink, Kommerzienrat W. Rautenstrauch, similar to the prior, but somewhat larger blooms, and Heinrich Conrad Söth. the most magnificent of the year.

Website/Catalog  (1938)  Page(s) 16.  
 
Repeating Climbers. Lambertianas. Geheimrat Dr. Mittweg (multiflora) (P. Lambert 09). Large lax trusses, double, pink with yellowish centre; blooms continuousl until frost, up to 1.50 m.

Book  (1936)  Page(s) 483.  
 
Mittweg, Geheimrat Dr. (multiflora, Lambertiana) Lambert 1909; M. N. Levavasseur X Trier; pink, lilac-pink reflexes, center yellowish white, large, double, broad, large lax clusters, fragrance 4/10, floriferous, continuous bloom, few prickles, growth 8/10, climbing, 2 m., dense. Sangerhausen

Book  (1930)  Page(s) 395.  
 
Geheimrat Dr. Mittweg. (P. Lambert 1909.) Mad. Norbert Levavasseur x Trier.
Medium size, double, soft pink with lighter center, in large loose trusses. The shrub attains 1 ½ to 2 m, has beautiful, large, dark green foliage, blooms abundantly in July and repeats until frost. Can be well used as a park or hedge rose.

Website/Catalog  (1926)  Page(s) 35-36.  
 
Repeat-flowering semi-climbers. 1.5 to 2.5 m tall.
Lambertiana Geheimrat Dr. Mittweg. (P. Lambert 1909). Vigorous, bushy, upright, strong but few prickles. Extra large dark green foliage. Blooms in large, loose trusses, double, polyantha-like, expanded, rose-pink with yellowish white centre. Cut rose. Useable as shrub in front, hedge, solitary rose. Blooms continuously until frost.

Website/Catalog  (1921)  Page(s) 64.  
 
Repeating Climbers....Geheimrat Dr. Mittweg. Vigorous, upright, bushy shrub; extra large, dark green foliage, blooms in large, loose, upright and rounded trusses, double, polyantha-like, broad, pink with yellowish white center; magnificent roses for vases. Usable as front shrub, hedge, solitary rose and as standard, blooms continuously until frost. 1 piece M 6.-, 100 pieces M 500.-

Website/Catalog  (1914)  Page(s) 9.  Includes photo(s).
 
Repeating Climbers (Lambertiana Race)
Geheimrat Dr. Mittweg Lambert (multiflora) blooms in large loose trusses, double, pink with yellowish white centre; blooms continuously until frost.

Magazine  (10 Jun 1911)  Page(s) 278.  
 
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...
Geheimrat Dr. Mittweg... Multiflora Scandens*, Lambard [sic], 1909, Mme. N. Levavasseur X Trier

*i.e., Climbing Polyantha