Author:John Walter Gregory

Works

 * The Great Rift Valley, Being the Narrative of a Journey to Mount Kenya and Lake Baringo
 * The Dead Heart of Australia
 * The Menace of Colour (1925)
 * (Physical Geography)
 * (Geology)
 * (Geology)
 * (Geology)
 * (Geology)
 * (Geology)
 * (Geology)
 * (Geology)