Circle Casting from the Internet Book of Shadows.
The Four Cities and Seven Directions by RJ Stewart from the Western Esoteric Tradition and Faery Faith.
Guardians from House Shadow Drake an Irish Traditional Witchcraft website.
Land, Sea and Sky a blessing ritual from Gaol Naofa a Celtic Recon group.
Circle Casting and the World Tree an essay about circle casting and witchcraft by Sarah Lawless.
Calling the Quarters an essay about different types of circles by Christopher Penzack