Website/Catalog  (4 Oct 2018)  
 
Korpinka Pink Sunsation (Berkshire, Summer Fairy Tale, Pink Sensation, Xenia, Country Maid, Sommermarchen), Shrub - Ground Cover (Gc), dp (Deep Pink), 1991, Description, (Immensee X Heidekonigin), W. Kordes Sohne, 1992

Book  (19 Apr 2000)  Page(s) 288.  
 
KORpinka, S, dp, 1992; (Sommermärchen); Kordes

Book  (2000)  Page(s) 556.  Includes photo(s).
 
‘Sommermärchen’/KORpinka/’Berkshire’/’Pink Sensation’/’Summer Fairy Tales’/’Xenia’ = Arbuste… vigoureux arbuste à port étalé… fleurs semi-doubles, au parfum délicat, rose carmin vif parfois strié de blanc, ponctuées d’étamines d’or… groupées en bouquets légers… feuillage sombre et luisant… Kordes, Allemagne, 1991. Weisse Immensee x semis.

Book  (1999)  Page(s) 35.  
 
National Rose Trial Garden of Australia awards for Trial 1. 1996-1998
Bed No. 96-17-32. 'Summer Fairytale' (KORpinka). Certificate of Merit.  Best groundcover rose. W. Kordes, Germany.

Magazine  (1999)  Page(s) 12. Vol 93, Part 1.  
 
Robert Stopford.  Ground Cover Roses.
Berkshire is slightly different being bigger in all its parts than the others mentioned: exceedingly flat on the ground and, like 'Hertfordshire', at the upper end of the spread range. 

Website/Catalog  (31 Dec 1998)  Page(s) 47.  Includes photo(s).

Website/Catalog  (24 Oct 1998)  Page(s) 39.  
 
Berkshire Eye-catching semi-double blooms of cherry-red with golden centers that open flat.

Website/Catalog  (23 Oct 1998)  Page(s) 4.  Includes photo(s).

Website/Catalog  (23 Oct 1998)  Page(s) 5.  
 
Berkshire (KORpinka) County Series. Kordes 1993. Brilliant cherry-pink blooms, opening flat ( 2 in.) to reveal glowing yellow centres, borne in shapely clusters...

Book  (1997)  Page(s) 322.  
 
Berkshire ('Pink Sensation', 'Sommermärchen', KORpinka) Kordes 1991. Description... Bright pinkish-red scented flowers with conspicuous stamens produced in clusters...