Alexander The Cross is a single chapter article or sermon on the cross and different aspects of it.
The Person of Christ is Boettner (Presbyterian) work of 23 chapters on the Person of Christ or Christology, dealing with his deity, his different offices, his humiliation, etc
10 Fundamental Mistakes of Seventh-day Adventists by Morales is a short work which is an overview the glaring problems with the Seventh-day Adventists.
CARM-Seventh Day Adventist by Matt Slick is a series of pages on this group as well as their version of Scripture, a Clear Word version.
Winslow Foot of the Cross by Octavius Winslow (Baptist) examines meditations about bearing with Christ during his crucifixion. What a believer would think. How it would impact him.
Bellett’s Notes on Joshua is an outline study of the book of Joshua.
Keeping the Heart is Flavel’s examination of Proverbs 4:23 and he gives 16 chapters of why and how we should do that.