Topical Studies for Mark 13:9:
Guard {Forerunner Commentary}
Guard {Nave's Topical Bible}
On {Nave's Topical Bible}
Witness {Forerunner Commentary}
Witness {Nave's Topical Bible}
Kings {Torrey's Topical Textbook}
Synagogues {Torrey's Topical Textbook}
Keep {Forerunner Commentary}