W. M. Davis. The Development of River Meanders, Geol. Mag., Decade iv, vol. 10, 1903, pp. 145-148.

W. S. Tower. The Development of Cut-off Meanders, Bull. Am. Geogr. Soc., vol. 36, 1904, pp. 589-599.

River terraces:—

W. M. Davis. The Terraces of the Westfield River, Massachusetts, Am. Jour. Sci., vol. 14, 1902, pp. 77-94, pl. 4; River Terraces in New England, Bull. Mus. Comp. Zoöl., vol. 38, 1902, pp. 281-346.

River deltas:—

G. K. Gilbert. The Topographic Features of Lake Shores, 5th Ann. Rept. U. S. Geol. Surv., 1885, pp. 104-108; Lake Bonneville, Mon. I, U. S. Geol. Surv., 1890, pp. 153-167.

Charts of Mississippi River Commission.

G. R. Credner. Die Deltas, ihre Morphologie, geographische Verbreitung und Entstehungsbedingungen, Pet. Mitt. Ergh. 56, 1878, pp. 1-74, pls. 1-3.

The peneplain:—