Book  (1936)  Page(s) 563.  
 
Piecq, Frau Oberbürgermeister (HT) Jacobs 1911; M. A. Chatenay X Fr. Deegen; cream-yellow, center golden-yellow, very large, well double, fine form, solitary, fragrance 7/10, floriferous, repeats well, long upright stems, red-brown foliage, growth 6/10, upright, bushy.

Book  (1934)  
 
Frau Oberbürgermeister Piecq (H.T.): Flower outer petals creamy yellow, “Maréchal Niel” like, very large, full, fine form, sweet. Growth vigorous, upright. Exh. F. Cut.
 

Website/Catalog  (1917)  Page(s) 23.  
 
Frau Oberburgermeister Piecq.    (H.T.)  (Jacobs) – Outer petals creamy yellow, Marechal Neil-like [sic],  very large, full, and of  fine form, sweet-scented, vigorous upright growth.  Fine for exhibition forcing and cut flower purposes.  [price] 1/6
 

Website/Catalog  (1914)  Page(s) 18.  
 
Hybrid Tea Roses.
Frau Oberburgmeister Piecq, O. Jacobs, 1912, vigorous. Outer petals creamy yellow, large, full, form, sweet-scented.

Website/Catalog  (1913)  Page(s) 105.  
 
Frau Oberburgermeister Piecq   (H.T.)  Outer petals creamy yellow Marechal Neil [sic] like, very large, full and of fine form,  sweet-scented;  vigorous upright growth.    Fine for exhibition forcing and cut flower purposes.    A valuable novelty.   [price] 3/6.
 

Magazine  (1 Jun 1912)  Page(s) 89.  
 
FRAU OBERBURGERMEISTER PIECQ (Jacobs, 1911) Hybride de thé. — Issu de Maréchal Niel. Arbuste vigoureux, à rameaux érigés ; fleur grande, pleine, coloris jaune d'or au centre passant au jaune crème chez les pétales extérieurs.