Article (magazine)  (2010)  Page(s) 1781.  
 
Prairie Harvest, Earth-Kind Brigade, Shrub, 1985, Griffith Buck, Ploidy 3x ....

Website/Catalog  (4 Jan 1999)  Page(s) 7.  Includes photo(s).
 
Prairie Harvest Description... a most unusual straw yellow... The 5-inch double flowers are very fragrant...

Book  (Apr 1993)  Page(s) 465.  
 
Prairie Harvest Shrub, light yellow, 1985, 'Carefree Beauty' x 'Sunsprite'; Buck. Description.

Book  (1990)  Page(s) 122.  Includes photo(s).
 
Prairie Harvest Description... deep yellow buds, opening to lemon-yellow flowers...