Gospel of the Comforter by Steele is a 36 chapter work on the Holy Spirit and different aspects of Him (1897).
Teasley Holy Spirit and Other Spirits is about the Holy Spirit’s effect on the believer as wells as how other spirits (demons) try to affect mankind with specific unholy spirits.
Warfield Person and Work of the Holy Spirit is a 15 chapter work on various central elements of the doctrine of the Holy Spirit.
Faith and Life is a set of 41 sermons by B.B: Warfield on our Christian faith and our Christian life.
This is a 14 chapter work on the Divine inspiration of Scripture looking at the character and quality of God’s Word, Verbal inspiration.