- FondsHoyle - Papers of Sir Fred Hoyle
- SeriesBox 19 - Box 19
- File2 - Correspondence.
- Item1 - Typescript letter, signed, from Sir Alexander Haddow (Chester Beatty Research Institute, London) to FH
- Item2 - Professor Sir Alexander Haddow, Science, patronage, and bureaucracy, New Scientist (16 July 1970), pp. 122-123.
- Item3 - Autograph letter, signed, from Derek [McNally] (University of London Observatory) to FH
- Item4 - Autograph letter, signed, from Helen Weir (née Longbottom), Putney, to FH
- Item5 - Carbon copy of typescript letter, not signed, from FH to Sir Alexander Haddow (Chester Beatty Research Institute, London)
- Item6 - Carbon copy of typescript letter, not signed, from FH to D. McNally (University of London Observatory)
- Item7 - Carbon copy of typescript letter, not signed, from FH to Helen Weir
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