Topical Studies for Ecclesiastes 6:9:
Desire {Forerunner Commentary}
Desire {Nave's Topical Bible}
Spirit {Forerunner Commentary}
Spirit {Nave's Topical Bible}
Vanity {Forerunner Commentary}
Vanity {Nave's Topical Bible}
Vanity {Torrey's Topical Textbook}
Wandering {Forerunner Commentary}