Book  (2005)  Page(s) 209.  
 
location I:I/11, Zwergkönig, Kordes' Sons 1954, miniature, blood-red, small, semi-double, mild fragrance, short

Book  (Sep 1993)  Page(s) 439.  
 
The original 'Zwergkönig', raised by Wilhelm Kordes in 1954, was the darkest of the Miniature, its ruffled flowers an almost black-red.

Book  (Apr 1993)  Page(s) 148.  
 
Miniature, medium red, 1957, ('Dwarf King'; 'Zwergkönig'); 'World's Fair' x 'Tom Thumb'; Kordes; J&P. Flowers carmine, double (25 petals), cupped, then flat, small blooms borne singly and in clusters; slightly fragrant; foliage glossy; compact (8-10 in.) growth.

Book  (1992)  Page(s) 133.  
 
Ross Heathcote, Taylors Lakes, Victoria. Red Miniature Roses. 
Zwerkonig (Dwarf King, 1957, Kordes). Another of the early minis. The open style crimson blooms are about 3.5cms across and come in clusters of 3 or 4 growing on a compact plant of about 30cms.

Website/Catalog  (1958)  Page(s) 33.  
 
Fairy or Miniature Roses. Zwergkonig Double. Bright crimson.

Book  (1958)  Page(s) 95.  
 
Dwarfking (Zwergkönig in Germany). Min. (Kordes; int. J&P, '57.) World's Fair X Tom Thumb. Bud flat topped; fl. small, dbl. (20-30 petals), cupped, then flat, slightly fragrant, carmine; singly and cluster. Fol. glossy. Compact (8-10 in.); profuse, recurrent bloom. (21) Pl. Pat. 1577.