Proc. and Bull. American Rose Society (1908) pp. 55-61
Essay on Hybridisation.
By Alex. Dickson

After many years of continuous experiment on various lines we have at last been able to produce what has long been sought for, namely, a yellow Tea of good size and colour with the vigour and hardiness of the Hybrid Perpetual. I refer to the rose Harry Kirk, which is now being grown by most of you, and you will shortly be able to judge whether it fulfills the promises we have made on its behalf. I think you will not be disappointed.