Great Systematic Theologies (Loosely Defined, and Updated)

1. Institutes of the Christian Religion - Calvin

2. Decades - Bullinger

3. Comm. on the Heidelberg Catechism - Ursinus

4. Body of Practical Divinity - Watson

5. Institutes of Elenctic Theology - Turretin

6. Human Nature in its Fourfold State - Boston

7. Christian's Reasonable Service - W. à Brakel

8. Reformed Dogmatics - Vos

9. Systematic Theology - Berkhof

10. Brief Compend of Bible Truth - Alexander

11. Reformed Systematic Theology - Beeke/Smalley

12. Systematic Theology - Grudem

13. Reformed Dogmatics - Bavinck

14. Body of Divinity - Boston

15. Christian Theology - Pictet

16. New Systematic Theology - Reymond

17. Systematic Theology - John Brown

18. Marrow of Sacred Divinity - Ames 

19. Works - Spurgeon

20. Marrow of Modern Divinity - Fisher

21. Outlines of Theology - Hodge

22. Systematic Theology - Charles Hodge

23. Systematic Theology - Strong

24. Systematic Theology - Dabney

25. Dogmatic Theology - Shedd

26. Theoretical-Practical Theology - van Mastricht

27. Manual of Theology - Dagg

28. Abstract of Systematic Theology - Boyce

29. Systematic Theology - Frame

30. Systematic Theology - Letham

31. Christian Theology - Erickson

32. Christian Faith - Horton

33. Puritan Theology - Beeke/Jones

34. Wonderful Works of God - Bavinck

35. Great Doctrines of the Bible - Lloyd-Jones

36. Economy of the Covenants - Witsius

37. Sac. Diss. on the Apostles' Creed - Witsius

38. Lord's Prayer - Witsius

39. Foundations of the Christian Faith - Boice 

40. Christian's Only Comfort - Vandergroe

41. Concise Theology - Packer

42. Works - Bunyan

43. Dict. of Latin & Greek Theological Terms - Muller

44. The Reformed Faith - Shaw

45. Commentary on the Larger Catechism - Ridgley

46. Truths We Confess - Sproul

47. Works - B. B. Warfield 

48. Works - John Owen

49. Existence and Attributes of God - Charnock

50. Works - A. W. Pink