The collection comprises manuscripts, typescripts, letters, papers, lectures, notebooks, diaries, photographs, slides, film, audiotapes, reprints, preprints, books and artefacts.

A preliminary listing is also available on the Library's website: http://www.joh.cam.ac.uk/library/special_collections/personal_papers/hoyle1/

19 notebooks containing mathematical notes and examples, possibly used by Parkinson for coaching students. Topics covered include: Newton, dynamics, hydrostatics, tides, statics, instruments, undulatory theory, mechanics, and planetary theory.

14 notebooks containing notes taken by Morton at lectures he attended 1889-1892, mostly given by R.R. Webb, others by J. Larmor, H.F. Baker, G.H. Darwin and R. Pendlebury. They include notes on the following subjects: Statics (Webb), Newton (Webb), Particle Dynamics (Webb), Rigid Dynamics (Webb), Hydrostatics (Webb), Planetary Theory (Darwin), Physical Optics, Geometrical Optics (Larmor, Webb), Mathematical Physics (Larmor), Astronomy (Webb).