In Horatius Bonar Truth and Error he looks at the contrary between the two elements, truth and error.
Christian Titles has 50 chapters, each one devoted to one of the descriptions Scripture gives to the saved people. These are studies into how they apply to Christians.
Doctrinal Books and Articles by Arthur Pink
John Owen’s work on the Gospel Grounds and the Evidences of the Christian Faith from the perspective of God’s Elect.
Several sermons and articles compiled in one file by John W. White.
Dabney was a Baptist, and this work is his Systematic Theology. Dabney was also Calvinistic.
The Bible itself reveals those doctrines that are essential to the Christian faith. They are 1) the Deity of Christ, 2) Salvation by Grace, 3) Resurrection of Christ, 4) the gospel, and 5) monotheism. These are the doctrines the Bible says are necessary.
This small article could very well determine whether you are in or out of the Christian Faith
Litmus Test: You have to believe items 1-5 to be in the Christian Faith.