- FondsHoyle - Papers of Sir Fred Hoyle
- SeriesBox 30 - Box 30
- File2 - Dirac monopoles
- Item1 - P.A.M. Dirac, 'Quantised singularities in the electromagnetic field', [Proceedings of the Royal Society of London, A 133 (1 Sep. 1931)], pp. 60-72.
- Item2 - P.A.M. Dirac, 'The theory of magnetic poles', Physical review 74 (1 Oct. 1948), pp. 817-830.
- Item3 - E.N. Parker, 'The origin of magnetic fields', Astrophysical journal 160 (May 1970), pp. 383-387
- Item4 - D.F. Bartlett, D. Soo, R.L. Fleischer, H.R. Hart, Jr., and A. Mogro-Campero, 'Search for cosmic-ray-related magnetic monopoles at ground level', General electric reprint 9163
- Item5 - Scientific American (Apr. 1982)
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