Topical Studies for 1 Samuel 18:21:
David {Forerunner Commentary}
David {Nave's Topical Bible}
Hand {Nave's Topical Bible}
Philistines {Forerunner Commentary}
Philistines {Nave's Topical Bible}
Saul {Forerunner Commentary}
Saul {Nave's Topical Bible}
Snare {Forerunner Commentary}
Snare {Nave's Topical Bible}
Time {Forerunner Commentary}
Time {Nave's Topical Bible}
Time {Torrey's Topical Textbook}