Gospel of the Comforter by Steele is a 36 chapter work on the Holy Spirit and different aspects of Him (1897).
In Chuck Smith Person and Gift of the Holy Spirit, Smith focuses on the Holy Spirit living and working within the believer, as well as the person of the Holy Spirit.
Law examines the competition between the things of God versus the priorities of our world, and its system and mindset.
Ketcherside – Heaven Help us- Holy Spirit in your Life is a brief 9 Chapter work on questions about the Holy Spirit and how He relates to the believer.
MacLaughlin (studied under R.B. Thieme Jr) has a short work of about 30+ pages on the filling of the Holy Spirit, losing and retaining, results as fruit of the Spirit
In Torrey’s 22 chapter work, Person and Work of The Holy Spirit, he investigates the doctrine of the Holy Spirit, looking at the normal issues like personality, deity, names, etc. but also some different aspects such as the distinction of the H.S. from the Father and Son, and subordination.
John owen’s work on the doctrine of justification, or how we are made sinless before the judgment of God through the blood of Christ.