"How Many Isaiahs Were There and What Does It Matter?" by Richard L. Schultz was originally published as Chapter 8 in Evangelicals Scripture: Tradition, Authority and Hermeneutics, edited by Vincent Bacote, Laura C. Miguélez and Dennis L. Okholm.
Richard L. Schultz is the Carl Armerding and Hudson T. Amerding Professor of Biblical Studies at Wheaton College. Over the past three decades, he and his wife, Carol, have taught many laypeople and students to study the Bible using the materials in this book.