- FondsHoyle - Papers of Sir Fred Hoyle
- SeriesBox 37 - Box 37
- File6 - [Folder 6]
- Item1 - Geoffrey Burbidge, 'The origin of cosmic rays', Progress of theoretical physics 27 (1962), pp. 999-1012
- Item2 - FH and J.V. Narlikar, 'Mach's principle and the creation of matter'
- Item3 - R.P. Feynman, 'Lectures on gravitation'