1. The ten things practitioners don't want to know about contact lenses;Koetting;Contacto,1981
2. & 9. Bier M. & Lowther J. Contact Lens Correction.
3. & 5. Stone J. & Phillips A.J., Contact Lenses Vol I
4. Special Scleral Lenses;Marriott;The Optician,1981
5. Interview;Bier;The Optician,1981