Types and distribution of collapsible soils; C. D. F. Rogers. Six definable particle types in engineering soils and their participation in collapse events: Proposals and discussions; I. Jefferson, I. Smalley. A stress path model for collapsible loess; R. L. Handy. Factors and mechanisms of loess collapsibility; V. I. Osipov, V. N. Sokolov. Techniques to examine microfabric and particle interaction of collapsible soils; N. K. Tovey. On the development of microstructure in collapsible soils. Lessons from the study of recent sediments and artificial cementation; J. Locat. The Slovak Carpathians loess sediments: their fabric and properties; A. Klukanova, J. Frankovska. Mechanisms of collapse of soils structures; J. Feda. The collapse mechanism of a soil subjected to one-dimensional loading and wetting; D. G. Fredlund, J. K.-M. Gan. The influence of the clay component in loess on collapse of the soil structure; T. W. Mellors. Interpretation and comparison of collapse measurement techniques; S. L. Houston et al. Consideration of the possible contributions of amorphous phases to the sensitivity of glaciomarine clays; S. P. Bentley, A. J. Roberts. Variation in collapsibility and strength of loess with age; Z.-G. Lin. Collapsible loess on the loess plateau of China; E. Derbyshire et al. Post-depositional processes in high-sensitivity, fine-grained, collapsible sediments; J. K. Torrance. Changes in water chemistry and loess porosity with leaching: Implications for collapsibility in the loess of North China; T. Muxart et al. Effects of rock fragments on the structural collapse of tilled topsoils during rain; J. W. A. Poesen, B. van Wesemael. Simulation and modelling of collapsible soils; J. D. Nieuwenhuis, M. B. de Groot. Collapse mechanisms and design considerations for some partly saturated and saturated soils; G. Lefebvre. Design and treatment of loess bases in Bulgaria; D. Evstatiev. Comparison of results of oedometer and plate load tests performed on collapsible soils; Y. M. Reznik. Postscript. Index.