Prayer That Prevails
- Explains what tongues are, tells how to receive them, and explores the ways in which they benefit the believer.
- http://www.teachingpages.co.uk/studyZone/stage3.php?class8part1

Assemblies of God: Baptism in the Holy Spirit
- Explains speaking in tongues as the initial evidence of Spirit baptism.
- http://www.ag.org/top/beliefs/Position_Papers/pp_4185_spirit-filled_life.cfm

Prophecy and Tongues: A Compilation of the Best Cessationist Arguments
- Lee Irons summarizes points made in Richard Gaffin's "Perspectives on Pentecost."
- http://www.upper-register.com/other_studies/prophecy_tongues.html

Baptism in the Holy Spirit
- Defends the present day practice of praying in tongues as a key to the power of God.
- http://www.christian-faith.com/html/page/baptism_in_the_holy_spirit

By One Spirit
- Articles about baptism in the Spirit and speaking in tongues, as God's confirmation or self-appointed sign under the new covenant.
- http://byonespirit.com/

Holy Spirit Baptised with Bible Evidence
- Pentecostal basis from Scripture for speaking in tongues as proof of being baptised in the Holy Spirit.
- http://www.born-again-christian.info/tongues.htm

Is Speaking with Tongues the Initial Evidence of the Spirit Baptism?
- Essay explores speaking in tongues as one of the basic tenets of Pentecostalism.
- http://www.abortionessay.com/files/Spirit.html