Names of the Holy Spirit, Elmer Towns
Pneumatology, Thomas Freeman
Probing the Center of Paul’s Pneumatology
Bible Basics: Soteriology, Dr. Robert D. Luginbill
https://www.ichthys.com/5-Pneumato.htm
The Person and Work of the Holy Spirit by R.A. Torrey
https://ia802704.us.archive.org/8/items/personandworkoft003058mbp/personandworkoft003058mbp.pdf