Rainbows-Sources I have so far (:

I found three new sources for my project:

Source: book
Title: Waves-Principles of Light, Elecricity, and Magnetism
Author: Paul Fleisher

Source: book
Title: Manipulating Light- Reflection, Refraction and Absorption
Author: Darlene R. Stille

Source: book
Title: Rainbows
Author: David Whitfield