References

Books

1. Albert E. WAUGH, Sundials Their theory and Construction, Dover Publications, Inc. New York,1973
2. René R. J. ROHR, Sundials History, Theory, and Practice, Dover Publications, Inc. New York,1996
3. H. Robert MILLS, Practical Astronomy, Albion Publishing, Chichester,1994
4. H.R. MILLS, Positional Astronomy and Astro-navigation Made Easy, Stanley Thornes (publishers) Ltd, England, 1978

Websites

1. Helmer ASLAKSEN, Heavenly Mathematics: Highlights of Cultural Astronomy
2. Frans MAES, Frans' Sundial Site
3. Analemma
4. Brass Armillary Sphere Sundial, Stanley London
5. Armillary spheres
6. http://web.fc-net.fr/frb/sundials/photos/stjeancap.jpg
7. http://web.fc-net.fr/frb/sundials/photos/institut.jpg
8. Riverwalk
9. Sundials of the World -- Canada -- The City of Penticton
10. http://www.mhs.ox.ac.uk/students/98to99/Inst/Instpgs/2.dials.html
11. Shepherds Stick Sundial
12. Variations
13. NASS FAQ -- Dial Types
14. Manor House Museum -- Portable Sundials
15. Sundials
16. http://www.europeanexpressions.com/Sunwatches/Benedictine.html
17. Universal Pocket Sundial
18. Ames Instrument Company -- Ring Dial
19. http://axum.tripod.com/
20. You Can Make a Sundial!
21. Wearable Sundials from Shepherd's Watch
22. Over Haddon Church wall dial
23. Kedleston church sundials
24. Chapel - en - le - Frith sundials
25. The Celestial Sphere
26. Gnomonik_engl
27. Sundials on the Internet
28. Sundials
29. http://140.211.119.169/Astronomy/sundial_vert.htm
30. Queen's College Cambridge - Sundial