- The Challenge of Chance: A Mass Experiment in Telepathy & its Unexpected Outcome
- Cotswold Sketchbook
- Open Sea: Its Natural History
- Great waters: A voyage of natural history to study whales, plankton and the waters of the Southern Ocean in the old Royal Research Ship 'Discovery',with ... by the findings of the R.R.S.'Discovery II.
- The Open Sea: Its Natural History. Part I, The World of Plankton (The New Naturalist)













