By Samie E Bishara, University of Lowa, 2001. Book hosted at University of Technology, Iraq website.
By Richard Parkhouse. Published by Mosby.
A clinical guide to orthodontics
Bonding and Adhesives in Orthodontics
A free sample chapter from Evidence-Based Clinical Orthodontics book.
By University of health sciences, Islamabad, Pakistan
Orthodontic retention: Clinical guidelines
By The Royal College of Surgeons of England.
By Dr Ross Hobson hosted at Learn ortho website.
By OpenAcademy site
In PDF by Newcastle University.
Case studies and lectures by Prasanna-Kumar Shivapuja.