- Six Months in Ascension: An Unscientific Account of a Scientific Expedition
- Catalogue of 1905 Stars for the Equinox 1865-0
- Results Of Astronomical Observations
- Heliometer Observations For Determination Of Stellar Parallax Made At The Royal Observatory, Cape Of Good Hope
- David Gill, Man and Astronomer: Memories of Sir David Gill, H.M. Astronomer (1879-1907) at the Cape of Good Hope