Book  (Jan 2000)  Page(s) 578.  
 
ISBN # 0-12-155053-2

TANblady, HT, dr, 1976 (Black Lady®), Math. Tantau.

Book  (Apr 1993)  Page(s) 53.  
 
Black Lady® Hybrid Tea, blackish-red, 1976, (TANblady); Tantau. Description.

Article (magazine)  (1988)  Page(s) 29.  
 
[Colour description according to the CIELAB colour space (petal inside): L* = Lightness, a* = red-green axis, b* = yellow-blue axis]
'Black Lady' (Tantau, 76; blackish red), L* 21-25, a* 46-51, b* 22-27