1. The Strength of Soils as Engineering Materials
2. Bishop A. W. Webb D. L. and Skinner A. E. (1965). “Triaxial tests on soil at elevated cell pressures.” Proc. Sixth Int. Conf. on Soil Mech. and Found. Engrg. University of Toronto Press Toronto Canada Vol. 1 170–174.
3. Casagrande A. (1940). “Characteristics of cohesionless soils affecting the stability of slopes and earth fills.” Contributions to soil mechanics 1925–1940 Boston Society of Civil Engineers Boston Mass. 257–276.
4. On Liquefaction Phenomena, by Professor A. Casagrande: Report of Lecture
5. Castro G. (1969). “Liquefaction of sands.” Harvard Soil Mech. Series No. 81 Cambridge Mass. Jan.