Book  (2005)  Page(s) 69.  
 
location L:IV2d; G:195/1, Frau O. Plegg, Nabonnand 1909, hybrid bourbon, medium-size, double, strong fragrance, tall

Book  (2001)  Page(s) 311.  
 
Bourbons...Frau O. Plegg (P. Nabonnand, 1909) trans., "Mrs. O. Plegg"
"Deep red, medium size, full, very fragrant, tall (Sangerhausen) Not to be confused with Jacobs' yellow HT of 1911, 'Frau Oberbürgermeister Piecq'.

Book  (19 Apr 2000)  Page(s) 172.  
 
'Frau O. Plegg', B, dr, 1909; flowers medium, dbl., intense fragrance; Nabonnand; (Sangerhausen)

Book  (1990)  Page(s) 64.  
 
Frau O. Plegg Bourbon. Nabonnand 1909. Description.

Website/Catalog  (1970)  Page(s) 49.  
 
location 195/1, Frau O. Plegg (Nabonnand 1909) Hybrid Bourbon

Book  (1936)  Page(s) 569.  
 
Plegg, Frau O. (bourbon) ? ? ; ? , many thorns, growth 7/10, upright, 1 m. Sangerhausen