EXPLORATION OF THE COLORADO RIVER OF THE WEST AND ITS TRIBUTARIES (POWELL, JOHN WESLEY)

THE ELIZABETHAN HAMLET (CORBIN, JOHN/POWELL, F. YORK)

REPORT ON THE LANDS OF THE ARID REGION OF THE UNITED STATES (POWELL, JOHN WESLEY/DUTTON, CLARENCE EDWARD/GILBERT, GROVE KARL)
