Magazine  (Jan 2021)  Page(s) 25-26.  Includes photo(s).
 
All roses which this year have been moved from section B [judged 2018-20] to section C [trial of 2021]
Floribunda: R. 'Matthias Claudius Rose', Tantau, Germany...64,84%

Magazine  (2021)  Page(s) I, p. 9.  Includes photo(s).
 
Die Rose des Jahres: 'Matthias Claudius Rose' ...
Hier ein Schreiben von Jens Krüger, der im Hause Tantau für die Neuzüchtungen verantwortlich ist und aus dessen Hand die Rose des Jahres stammt: ....

Translation:
The Rose of the Year: 'Matthias Claudius Rose' ...
Here a letter of Jens Krüger, who is responsible for the new varieties at Tantau and from whose hand the Rose of the Year originates: ....

Book  (2019)  Page(s) 12.  Includes photo(s).
 
'Matthias Claudius ®'
Tantau, 2017 ...Description

Book  (2018)  Page(s) 155.  Includes photo(s).
 
'Matthias Claudius Rose' ® (Tantau, 2018)
Shrub ... Description