Book  (1936)  Page(s) 759.  
 
Willstätter, Geheimrat Richard (HT) Felberg-Leclerc 1931; Constance X Admiral Ward; coppery apricot-yellow, petal ends deep golden-yellow, petals strongly veined pink, large, semi-double, fragrance 5/10, floriferous, continuous bloom, strong stems, thick glossy light green foliage, growth 6/10, bushy. Sangerhausen

Book  (1932)  Page(s) 219.  
 
From New Roses of the World:
Geheimrat Richard Willstätter HT. (J. Felberg-Leclerc, 1931) Constance X Admiral Ward. Bud nicely formed; flower large, semi-double, delicately fragrant, coppery apricot-yellow, heavily veined carmine-red, deep golden yellow stamens, on strong stem(sic). foliage bright green, thick. Vigorous; free bloomer.