American Horticultural Society Pruning & Training by Christopher Brickell (Editor), David Joyce(August 1996) Dorling Kindersley; ISBN: 1564583317
The Fruit Garden Displayed by Harry Baker, Cassell Education Limited, 1991, ISBN 0-304-34016-2.
Dwarfed Fruit Trees by Harold Bradford Tukey, Cornell University Press, 1964, ISBN 0-8014-1126-2.
The Lorette System of Pruning by Louis Lorette, first published in 1925, Rodale Press translated it in 1946.
Espalier Fruit Trees, Their History and Culture by Alan Edmunds, republished by Pomona Books, 1986. Limited edition of 200.
Hedges, Screens and Espaliers by Susan Chamberlin, HP Books, 1983.
Fruits and Berries by The American Horticultural Society, Ortho Books, 1982.
The Complete Book of Topiary by Barbara Gallup, Deborah K. Reich (February 1988) Workman Publishing Company; ISBN: 0894803182
Living Fences : A Gardener's Guide to Hedges, Vines & Espaliers by Ogden Tanner, Cgden Tanner, Vince Babak,128 pages (April 1996)
Houghton Mifflin Co (Trd); ISBN: 1881527689
Espaliers and Vines for the Home Gardener by Harold O Perkins
Training Espalier Fruit Trees by Robert Stebbins, Oregon State University (pamphlet).