Booklet  (2008)  
 
An Information List of all Varieties. p7
1986. Gwen Swane - Macwhaka. Nicknamed Whaka

Book  (Dec 1998)  Page(s) 289.  Includes photo(s).
 
Gwen Swane (MACwhaka) Modern Shrub. McGredy (New Zealand) 1987... an even shade of pink...a spreading shrub....small matte green foliage....The variety is named for the late Mrs. E.N. Swane, a member of the long-established firm of rose growers in Australia...

Book  (Apr 1993)  Page(s) 332.  
 
MACwhaka Shrub, medium pink, 1987, ('Gwen Swane'); MACbroey x 'Snow Carpet'; McGredy, Sam. Description.