Book  (Jun 1992)  Page(s) 152.  
 
Avocat Duvivier Hybrid Perpetual. Lévêque 1875. Seedling of 'Général Jacqueminot' (Hybrid Perpetual)... Brilliant dark crimson... like 'Maréchal Vaillant' [Hybrid Perpetual, Viennot, 1861, purple]... color, bright purplish red with light purple...

Book  (1936)  Page(s) 228.  
 
Duvivier, Avocat (HP) Lévêque 1875; Jacqueminot X ? ; vivid purple, shaded light purple, very large, double, flat cup form, fragrance 5/10, floriferous, growth 7/10. = Maréch. Vaillant. Sangerhausen

Book  (1899)  Page(s) 16.  
 
Avocat Duvivier, HR, Levêque, 1875, pourpre

Article (magazine)  (1 Feb 1898)  Page(s) 23.  
 
[From a talk by Léon Chénault at the Conference of Rosarians at Orléans, published in "Journal des Roses"]
Maréchal Vaillant (Viennot, 1859), belle rose rouge pourpre vif, revient en 1878 sous le nom d'Avocat Duvivier et ressemble beaucoup à Wilhelm Pfitzer, 1864.

Translation:
Maréchal Vaillant (Viennot, 1859), beautiful vivid purple-red, reappeared in 1878 under the name Avocat Duvivier and resembles very much Wilhelm Pfitzer, 1864.

Magazine  (1889)  Page(s) 283.  
 
The following Roses bracketed together have been regarded as synonymous, according to the rule adopted by the National Rose Society; and the name standing first in each case, being believed to be the original name, is considered for the purpose of the preceding Digest as the ruling name of the Rose.
(Maréchal Vaillant
(Avocat Duvivier

Book  (1883)  Page(s) 147.  
 
...Maréchal Vaillant = Avocat Duvivier...

Book  (1882)  Page(s) 3.  
 
Avocat Duvivier... Hybride Perpétuel. Levêque fils. 1875 Rouge pourpre. Fleur grande. Plante vigoureuse.

Book  (1881)  Page(s) 314.  
 
New Roses.
Again, in the autumn of 1875 and spring of 1876, we were met by a formidable array of novelties, and in giving the following list of the best, I am conscious of having dealt leniently with the merits, or rather demerits, of several.
Hybrid Perpetuals:
Avocat Duvivier, purplish red...

Book  (1880)  Page(s) Annex, p. 14.  
 
hybrid perpetual. AVOCAT DUVIVIER (Lévèque & fils, 1876), beautiful red, streaked light purple, large, well double and fine form, vigorous, very good.

Magazine  (17 Nov 1877)  Page(s) 471.  
 
New Roses of the Past and Present Year.
Of the novelties introduced in 1875-6, the following have commended themselves most to our judgment: Hybrid Perpetuals: Abel Carrière, Avocat Duvivier, Duc de Montpensier, Duchesse de Vallombrosa, Gustave Revilliod, Jean Liabaud, Madame Ferdinand Jamin, Madame Prosper Laugier, Marguerite Brassac, Monseigneur Fournier, Oscar Lamarche, Sultan of Zanzibar, Triomphe de France.