Tithe and Offerings - Encouraging freewill tithing. - http://churchtithesandofferings.com/
Should Christians Tithe? - Survey of Old and New Testament teachings by Kevin Whitehead. - http://www.surfinthespirit.com/charity/should-christians-tithe.html
Should the Church Teach Tithing? - Introductory essay and downloadable book (PDF) by Dr. Russell Kelly. - http://home.earthlink.net/~russkellyphd/
Tithing - Do I Have To? - Tom Lacheney finds support for tithing in Old and New Testament teachings. - http://www.faithzone.com/PDF%20files/Tithing.pdf
StopTithing.com - Articles against tithing as binding on Christians. Offers tracts and bumper sticker. - http://www.stoptithing.com/
Can Tithing Cause Blessings? - Answers a series of misconceptions in FAQ format. - http://www.plim.org/tithing.html
Must Christians Tithe Ten Percent? - Surveys dozens of Bible verses and concludes that there is no New Testament tithe. - http://www.layhands.com/MustChristiansTitheTenPercent.htm
Bible Insight: Tithe of Money Not Required - Series of articles concludes that a spiritual tithe is required, rather than money. - http://www.bibleinsight.com/tithing.html