BBC Gardening: Plant an Espalier Apple Tree
- Step by step instructions on site selection and training, and a few growing tips.
- http://www.bbc.co.uk/gardening/basics/techniques/growfruitandveg_espalierapple1.shtml

Dr. Bob's Gardening Tips: Espaliers
- Introduction with photographs, including shrubs and trees suitable in Florida.
- http://hort.ifas.ufl.edu/gt/espalier/espalier.htm

Backwoods Home Magazine: Espalier your trees
- Article providing basic information, including drawing and descriptions of horizontal, palmette, and cordon espaliering styles.
- http://www.backwoodshome.com/articles2/hooker79.html

Espaliering: The Patient Art
- Article discussing background and methods, design considerations, and materials.
- http://www.scenicnursery.com/archives/002422.html

Rare Fruit Society of South Australia: Espalier
- Orchard owners lists their reasons for espaliering, and describe their methods. Includes plan drawing of framework, and photo galleries showing the enclosed espalier area as well as many individual trained fruit trees.
- http://www.rarefruit-sa.org.au/Espalier/Espalier.htm

Gardenline: Espalier
- Offers history of the technique, suggestions for site choice and design, and types of fruit trees most suitable for espaliering.
- http://gardenline.usask.ca/trees/espalier.html

NC State University: Espalier
- Provides a definition of the technique, a list of amenable plant types, and tips on site selection, style, support construction, and training.
- http://www.ces.ncsu.edu/depts/hort/consumer/quickref/general/espalier.html