This is a single chapter work which are the doctrinal notes of Professor Schafer in his doctrines class in the 1960s. He begins with 21 summary declarations about the Trinity, then he proceeds on the sections: the NT doctrine, the OT implications, and the doctrinal explanation, and finally a chapter on the natural illustration.
Plumer’s work, the Grace of Christ, deals with various aspects of our salvation such as regeneration, justification, sanctification, and other issues related to these.
Dagg’s Work, Manual of Theology is a full fledged systematic theology from a Reformed perspective. He was Baptist.