Book  (19 Apr 2000)  Page(s) 9.  
 
'ALOYSIA KAISER', shrub, my, 1937; bud ochre-yellow; flowers reddish bright yellow, round, large, dbl., blooms in clusters, seasonal bloom; vigorous growth; [Miss G. Mesman X Belle Doria]; Lambert, P.

Book  (1940)  Page(s) 7.  
 
Aloysia Kaiser Large-flowered Climber. (P. Lambert 1937)... reddish bright yellow changing to pinkish yellow...

Website/Catalog  (1938)  Page(s) 6.  
 
Aloysia Kaiser (P. Lambert 39). Floriferous, well double and cherry-red. Healthy foliage...very hardy, 60-80 cm high, suitable for decorative hedges and as stand-alone shrub. Hybrid polyantha-Lambertiana. (Robin Hood X Otto Linne)