A.) Tuininga, VanDrunen & Hart are analyzed by Littlejohn, Wedgeworth & Escalante
I am not in complete agreement with these chaps but this is some fine historical theology work. In point of fact, this looks to be particularly devastating to the Cartwrightian R2K cause. Now the only question is, will it gain traction in all the hub bub.
B.) Valuable top down look at the inroads made by Liberalism (before it was known as Cultural Marxism) by Joseph Sobran
C.) Fourth Generation Warfare by William Lind
Having some knowledge of this is important because this is the warfare we are currently seeing.
D.) Chesterton & Distributism