Book  (2007)  
 
Maiwunder shrub, light yellow, Kordes. Intro 1966.

Book  (1990)  Page(s) 118.  Includes photo(s).
 
Maiwunder Kordes. Description... flowers: large, coming from pointed buds which are purplish-pink in colour with rolled edges to the petals...

Book  (1986)  Page(s) 174.  
 
Koster roses...'Maiwunder' ('Majwonder')

Book  (1981)  Page(s) 368.  
 
Maiwunder S. (Kordes 1966) 'Maigold' ᵡhybrid rubiginosa. Bright golden yellow with orange anthers, large, double, finally flat, strong scent; growth vigorous, branches, very prickly, foliage light green.