Magazine  (2019)  Page(s) 49. Vol 41, No. 1.  
 
Margaret Furness.  Tea, Noisette and China Mislabels in Australia. 
Duchesse de Brabant. Comtesse de Labarthe is the original name but both are in common usage.

Book  (2018)  Page(s) 88.  Includes photo(s).
 
Di Durston, Western Australia.  My Favourite Heritage Roses. 
Duchesse de Brabante ​​​​​​​

Website/Catalog  (2 Feb 2016)  Includes photo(s).
 
Registered Name: 'Duchesse de Brabant'
Synonyms: 'Comtesse de Labarthe', 'Comtesse Ouwaroff', 'Countess Bertha', 'Mlle de Labarthe'
ARS Approved Exhibition Name: Duchesse de Brabant
Photo: Steve Jones T, lp, 1857, Bernède; flowers soft rosy pink, large, 45 petals, cupped, intense fragrance; vigorous, spreading growth. Roses in Review: Garden Rating: 8.6 Exhibition Rating:

Magazine  (2015)  Page(s) 33. Vol 37, No. 1.  
 
Judith Oytston. Heather and Roy Rumsey.
....One in particular was 'Countess Bertha', which of course was Comtesse de Labarthe, but was known in Australia for many years by the former name; when 'Duchesse de Brabant' was imported from the US. it was also deemed to be the same rose. It is now commonly known by this name as well.

Magazine  (2014)  Page(s) 32. Vol 36, No. 4.  
 
Patricia Routley, Book Review.
The name 'Duchesse de Brabant' is still being used. Why do we not listen to Tea Roses: Old Roses for Warm Gardens when they tell us the original and correct name of this rose is Comtesse de Labarthe? ....

Article (magazine)  (2010)  Page(s) 1781.  
 
Duchesse de Brabant, Earth-Kind-designated rose for the south-central United States, Tea, 1857, H. Bernède, Ploidy 2x ....

Booklet  (2009)  Page(s) 29.  
 
Diploid....Duchesse de Brabant, heterozygous loci 64% [Provenance: Antique Rose Emporium]

Article (magazine)  (2007)  Page(s) 404.  
 
Table 1. Comparison of key volatile components in representative cultivated Chinese roses and species. [adsorption volume by Solid Phase Microextraction (peak area, x10')]
DMMB: 1,3-dimethoxy-5-methylbenzene
TMB: 1,3,5-trimehoxybenzene

'Duchesse de Brabant'
Dihydro-beta-ionone 0.52
Dihydro-beta-ionol 2.76
Beta-ionone 9.28
DMMB 14.7
TMB 3.25

Book  (2 Nov 2003)  Page(s) 20.  
 
Barbara May and Jane Zammit.  Rookwood Cemetery Roses.  
The following roses have been identified at Rookwood, primarily in the old and Heritage listed areas Duchesse de Brabant

Book  (2001)  Page(s) 129.  
 
.....Though more widely known as 'Duchesse de Brabant', nothing in research thus far contradicts that Comtesse de Labarthe' was the original name assigned by Bernede.