- FondsHoyle - Papers of Sir Fred Hoyle
- SeriesBox 50 - Box 50
- File4 - [Folder 4]
- 6 more...
- Item7 - [FH], Evolution of cometary orbits
- Item8 - B.G. Marsden, Z. Sekanina and E. Everhart, 'New osculating orbits for 110 comets and analysis of original orbits for 200 comets'
- Item9 - S. Yabushita, 'On exact solutions of diffusion equation in cometary dynamics',
- Item10 - J.A. Fernández and W.H. Ip, 'Dynamical origin of the short-period comets'
- Item11 - FH, The mystery of the missing shorter period comets