Bounds work explaining the Essentials of Prayer, dissecting the different essential parts of prayer
Torrey work, Profitable Bible Study, is 8 simple principles of making your Bible study profitable.
In Torrey’s How to study the Bible, he looks at an overview of Bible study, with attention to different kinds or methods of how to study the Bible. He examines studying individual books, topical studies, types, etc.
Torrey’s work, Principles of Biblical Interpretation, is directed towards applying sound principles of Bible exposition in the interpretation and understanding of God’s word.
In Samuel Dickey Gordon Quiet Talks series in this one, he examines Jesus and some of the highlights of his life, like the purpose of coming, his nature divine-human, etc.
Towns Names of the Holy Spirit is a landmark work in the studies of the Holy Spirit as it is an exhaustive listing of all the names of the Holy Spirit broken up by type, and an appendix of an alphabetical summary list.
Bound’s work of Prayer and Praying men examines how prayer and the man of God in ministry works.