Beltane

Beltane Sabbat
A short article but it does give many names by which this day is celebrated.
http://druidry.org/obod/festivals/beltane.html

Beltane/May Day
Illustrated and annotated page of links to Beltane and May Day. The choices and site reviews come from a professor of mythology, Dr. Kathleen Jenks.
http://www.mythinglinks.org/Beltane.html

Celebration of Mayday
Beltane Sabbat and other Mayday celebrations around the world.
http://www.salmonriver.com/words/nancy/maia.html

Irish Fire Festivals: Beltaine
Article by Kym ni Dhoireann on customs and traditions of Beltaine. Includes ideas to make the season more meaningful to modern Celtic Pagans, by looking at the origins and meanings.
http://cyberpict.net/sgathan/essays/beltaine.htm

Mystical World Wide Web - May
Although not a page devoted strictly to Beltane Sabbat, it gives a lot of good information and ideas for this time period.
http://www.mystical-www.co.uk/time/mayi.htm

The Origins and Traditions of May Day
Not a page about the Beltane Sabbat but a very well presented page that details the origins of Mayday.
http://www.geocities.com/CapitolHill/5202/mayday.htm

Pagan Holidays., April 30th, Beltane
A brief description of the courtship of the God and Goddess.
http://www.wicca.com/celtic/akasha/beltane.htm