Gospel of the Comforter by Steele is a 36 chapter work on the Holy Spirit and different aspects of Him (1897).
Steele – Love Enthroned is a work on what is love, its different aspects, biblical examples, etc. 23 chs.
James Buchanan Office and Work of the Holy Spirit is a reformed work on the work of the Holy Spirit touching on infant baptism and salvation because of parents, etc.
Davison, W.T. – The Indwelling Spirit is a 1911 work with 16 chapters on the indwelling Holy Spirit in us. Gifts, Fruit, prayer, tides, plenitude, spirit of Truth, etc.
Methodist Dunn’s Mission of the Spirit is a work on the Office and work of the Holy Spirit in Redemption. 19 chapters. 1872
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.
Another Comforter by W.T.P. Wolston is a series of 13 lectures on the Holy Spirit, looking at specific phrases relating to him, such as another comforter, rivers of living Water, receive ye the Holy Ghost, etc.