This study is presented in two formats. The older format is "zipped", and will need to be downloaded to your computer and unzipped in order to study it. Use a zip extraction tool like this to access the study, which focuses on the Biblical presentation of the Gift of Tongues.
 

Or if you have the time, feel free to browse the study online. It is rather extensive, so I have it broken down into sections below:

• Introduction
  • The Day of Pentecost And The Gift of Tongues
  • The Significance of the Signs
  • Conclusion To This Section
• Verbs Denoting The Filling Ministry; Recorded History of Empowerment In Acts; Parallel Walk
  • Derivatives of the verb "came"
  • Derivatives of the verb "rested" and "fell"
  • Derivatives of the verb "fill"
  • Derivatives of the verb "pour"
  • The Recorded History of Empowerment In Acts
  • A Parallel Walk Through Acts
• Difference In Command Between Baptism/ Filling; Contextual Definition of Spirit Baptism; Comparisons
  • The Difference In Command Between Baptism and Filling
  • A Contextual Definition of Spirit Baptism
  • A Comparison of Literal Spirit Baptism to Figurative Water Baptism
• What Does "Gift of the Holy Spirit" Mean?; Experience and Inductive Reasoning Vs the Bible; Context
  • Experience and Inductive Reasoning VS Bible Teachings
  • The Context of Scripture
  • Conclusion to This Section
• Paul's Letter to Corinth; Historical and Tonal Contexts of 1 Corinthians; Studying the Gifts
  • Studying the Gifts: 1 Corinthians 12:1-3
• Dividing the Gifts; A Detailed Look at the Gifts; Prophecy, Ministry, Evangelism, Pastor Teacher, Healing
  • A Detailed Look at The Gifts
• A Detailed Look At The Gifts; Healing, Miracles, Wisdom, Knowledge, Faith, Ruling, Apostleship, Tongues
• The Body of Christ: All Gifts are Important; The AGAPE or Love Principle
  • The AGAPE or Love Principle
• Continuing the AGAPE Love Principle; 1 Corinthians 14: Using The Gifts; The Doctrine of Prayer
  • 1 Corinthians 14: Using The Gifts
  • The Doctrine of Prayer
• A New, Better, and True Argument for Cessation (contributed by Alfred K. Persson)