1. The outstanding books in English on dislocations in crystalline materials are:
2. A. H. Cottrell, Dislocations and Plastic Flow in Metals, Oxford (1953).
3. W. Thornton Read, Dislocations in Crystals, McGraw-Hill Book Company (1953).
4. A more up to date review article by the present author may be found in Surveys in Mechanics, the anniversary volume issued to commemorate G. I. Taylor's seventieth birthday, Cambridge University Press (1956)
5. The following are the references of original papers quoted in the text: