Gardeners' Chronicle, Horticultural Trade Journal p. 255 (1965)
Then there are two from Reimer Kordes — 'Liberty Bell', pink and silvery cream, and 'Vienna Charm', a colour between copper and gold. Both seem destined to be residents of this garden for a long time — the first because the flowers are so large without ever being gross; the second for the elegance of the long blooms; and both for their fine foliage.