This is a seven chapter work on Prayer by Holiness preacher Wiseman. He looks at the Example of Prayer, the Pattern, the Parable, the Promise, the Definiteness, the Law, and the Great Subject of Prayer.
Whitworth The Angel Quiz is a single chapter work asking and answering questions on angels and what the Bible teaches about them.
White The Truth about Angels is a 22 chapter by Seventh Day Adventist founder, Ellen White. She looks at a panoramic view of Angels across time and Scriptures.
Wight work Satan His Past Present and Future is an eleven chapter work looking at a profile of Satan and how he works.
Emmanuel or titles of Christ is a 10 chapter work by Octavius Winslow on the titles of Christ in Isaiah 9:6, and several others.
Winslow’s work, The Glory of the Redeemer, is a study on Jesus Christ the redeemer, and the glory associated with his work of redemption of mankind.
Consider Jesus Devotional for 31 days by Octavius Winslow