Book  (Apr 1993)  Page(s) 283.  
 
Kardinal Hybrid Tea, Flowers scarlet-red, sometimes tipped blackish [dr], 1934, 'Château de Clos Vougeot' seedling x Seedling; Krause.

Book  (1947)  Page(s) 170.  
 
Kardinal (H.T.) has full, cup-shaped flowers of good form, fiery-crimson, shaded with darker red, borne upon plants of vigorous but dwarf and compact habit. Krause 1934...Medium growth. Fragrant....June-September. Hardy.

Book  (1939)  Page(s) 129.  
 
Mrs T. R. Willis, NZ.  Rangitiki Roses. 
Kardinal.—A very noticeable Rose of a brilliant scarlet-red, with a lovely bloom on the petals. Kardinal and Chris Stone are two delightful red Roses, and are both worth a place in the garden.

Website/Catalog  (1937)  Page(s) 105.  
 
Kardinal (M. Krause 1934), buds blackish red, passing to fiery scarlet-red when expanding. Garden and bedding rose. HT

Website/Catalog  (1937)  Page(s) 45.  
 
New Roses 1936.  Kardinal (HT.  Max Krause 1934) F. 2.  Buds blackish red, opening to fiery scarlet double blooms.  The growth is very poor, and it is impossible to get propagating material.  

Website/Catalog  (1937)  Page(s) 121.  Includes photo(s).
 
Kardinal

Book  (1936)  Page(s) 28.  
 
Harry H. Hazlewood.  The New Roses of 1936. 
Kardinal (Max Krause) is a seedling of 'Chateau de Clos Vougeot', with particularly brilliant colour, but only twenty-five to thirty petals. The blooms are scented, but growth is rather weak, which is a matter for regret.

Website/Catalog  (1936)  Page(s) 40.  
 
New Roses 1936.  Kardinal (HT.  Max Krause 1934) Bud blackish red, changing to fiery scarlet when open. Large, full flower of fine form; light green disease resisting foliage and strong, straight stems; compact, bushy growth and free branching habit. Sweet scent. One of the most glowing scarlet reds in commerce. 4/- each.
Particularly brilliant. ​Semi-double flowers, 25 to 30 petals.​ Looks particularly promising.

Book  (1936)  Page(s) 381.  
 
Kardinal (HT) Krause 1933; Chat. Cl. Voug. X ?; blackish red to fiery scarlet, petals sometimes spotted black, medium to large, double, cup-form, fine form, fragrance 6/10, continuous bloom, strong upright stems, light green foliage, lasting, growth 6/10, buhy, dense, Sangerhausen

Website/Catalog  (1935)  Page(s) Spring issue, p. 89.  
 
Kardinal (Max Krause 1934), Hybrid Tea. The bloom is high-centered, cupped, upright on strong stalks. The bud is blackish red, the expanded bloom fiery scarlet. Habit is stocky, foliage disease-free. A very striking, dark red group rose ....Low garden plants 1 piece RM [Reichsmark] 5.-