Elementals
Elementals and magick.
http://www.asiya.org/elementals.html

Elements and Elementals
Comprehensive article with a Pagan bias on the elements and elementals.
http://www.controverscial.com/Elements%20and%20Elementals.htm

Working With Elementals
Discusses how to work with the various elementals.
http://www.angelfire.com/realm2/amethystbt/elementalsworkingwithspirit.html

Devas, Elementals and Nature Spirits
Describes various types of spirit beings.
http://www.coven-of-cythrawl.com/Devas_Elementals_Spirits.htm

Nymph
From Wikipedia. Article on nymphs and related spiritual beings.
http://en.wikipedia.org/wiki/Nymph

Elemental
From Wikipedia. A brief look at the different types of elementals.
http://en.wikipedia.org/wiki/Elemental

Elementals
Brief article on the four main types of elementals.
http://mysite.wanadoo-members.co.uk/WitchWays/page4.html