Topical Studies for 1 Samuel 23:1:
David {Forerunner Commentary}
David {Nave's Topical Bible}
Keilah {Nave's Topical Bible}
Philistines {Forerunner Commentary}
Philistines {Nave's Topical Bible}
Threshing {Nave's Topical Bible}
Threshing {Torrey's Topical Textbook}