Book  (Apr 1993)  Page(s) 603.  
 
The Optimist Floribunda, maize-yellow tinged carmine, becoming carmine, 1955, ('Sweet Repose'); 'Golden Rapture' x Floribunda seedling; deRuiter. Description.

Book  (1993)  Page(s) 156.  Includes photo(s).
 
('Sweet Repose', 'The Optimist') A vigorous Floribunda. De Ruiter (The Netherlands) 1953. ('Golden Rapture' x Floribunda seedling).

Website/Catalog  (1972)  Page(s) 6.  
 
Sweet Repose Large shapely blooms commence cream tipped red, opening through apricot to brick red. t.sp.sd. B.

Book  (1960)  Page(s) 20.  
 
Dr. A. S. Thomas. New Varieties in Victoria.
Sweet Repose Florib. (de Ruiter 1955) The young flowers are predominantly pale pink but the edges are marked conspicuously with red. As the flowers age they become light red. Already very popular in Adelaide.

Book  (1958)  Page(s) 14.  
 
Harry H. Hazlewood. Some New Roses For 1958. 
Sweet Repose Hybrid Polyantha or Floribunda. (de Ruiter 1955).  The buds are rich pink flushed yellow, opening to yellow which deepens to red as the bloom ages. As they open at different times the various colours may be all seen at one glance

Website/Catalog  (1958)  Page(s) 8.  
 
Novelty Roses 1958. Sweet Repose. Hyb, Poly. (de Ruiter, 1955.) Fragrant semi-double buds in clusters, opening yellowish pink with a darker reverse changing to yellow and finally to red with an almost white reverse. 10/6 each.

Book  (1958)  Page(s) 403.  
 
The Optimist (Sweet Repose in Europe). F. (de Ruiter; int. Gandy, '55, C-P, '56.) Golden Rapture X unnamed Floribunda seedling. Bud ovoid; fl. large (3 in.), dbl. (27 petals), high centered to cupped, fragrant, maize-yellow tinged carmine, becoming carmine; large cluster. Fol. dense, leathery, parsley-green. Very vig., upright, bushy; abundant bloom. (28) Pl. Pat. 1533. NRS Gold Medal, '55.