Manuscript Notes, Calculations, Drafts and Typescript Correspondence on 'Superconductivity' by David J. Thouless Contains correspondence between David J. Thouless and David R. Tilley concerning Superconductivity, dated 12 February 1962 to 28 August 1962. There is a typescript copy of 'Collective Modes in the Theory of Superconductivity', and a reprinted copy as published in the Proceedings of the Physical Society in Volume LXXVII in 1961. Also contains manuscript draft of 'Notes on fluctuations in a magnetic field', dated June 1974. With manuscript notes and calculations on 'Superconductivity'. There is a black binder towards the end of the file containing a manuscript notes and calculations of 'Perturbation Theory and Superconductivity' by D.J Thouless and L.R.L. Berkeley. 1960-June 1974