Topical Studies for Revelation 8:7:
Blood {Nave's Topical Bible}
Blood {Torrey's Topical Textbook}
Earth {Nave's Topical Bible}
Fire {Forerunner Commentary}
Fire {Nave's Topical Bible}
Fire {Torrey's Topical Textbook}
Grass {Nave's Topical Bible}
Grass {Torrey's Topical Textbook}
Hail {Nave's Topical Bible}
Trees {Torrey's Topical Textbook}