- Contributions To Terrestrial Magnetism, Volume 2
- Observations On Days Of Unusual Magnetic Disturbance: Made At The British Colonial Magnetic Observatories, Under The Departments Of The Ordnance And Admiralty, Volume 1, Part 1
- Contributions To Terrestrial Magnetism, Volume 1
- Contributions To Terrestrial Magnetism; Volume 1
- An Account Of Experiments To Determine The Figure Of The Earth: By Means Of The Pendulum Vibrating Seconds In Different Latitudes, As Well As On Various Other Subjects Of Philosophical Inquiry