1. U.S. Weather Bureau, 1952. Maximum 24 hour precipitation in the United States; Technical Paper No. 16.
2. Some observations on slope development in South Wales;Savigear;Inst. Brit. Geographers,1952
3. The hydraulic geometry of stream channels and some physiographic implications;Leopold;U.S. Geol. Surv. Prof. Paper 252,1953
4. Ephemeral streams—hydraulic factors and their relation to the drainage net—;Leopold;U.S. Geol. Surv. Prof. Paper 252.,1956
5. Equilibrium theory of erosional slopes approached by frequency distribution analysis; Part 1