Anderton , E. W. and Ron Park
Growing Gladioli
Portland, Oregon
Timber Press

Salaman, Redcliffe
History & Social Influence of the Potato
Cambridge
Cambridge University Press 1949

Fairchild, David
Garden Islands of the Great East
New York
Charles Scribners Sons 1943

Brittain, Julia
The Plant Lover's Companion
Horticultural Books 2006

Elliott, Brent
Flora: An Illustrated History of the Garden Flower
Willowdale, Ontario
Royal Horticultural Society 2001