Topical Studies for Joshua 4:20:
Gilgal {Forerunner Commentary}
Gilgal {Nave's Topical Bible}
Jordan {Forerunner Commentary}
Jordan {Nave's Topical Bible}
Joshua {Forerunner Commentary}
Joshua {Nave's Topical Bible}
Pitch {Nave's Topical Bible}
Stones {Nave's Topical Bible}