On Aristotle as a biologist with a prooemion on Herbert Spencer; being the Herbert Spencer lecture delivered before the University of Oxford, on February 14, 1913 Q Science
The world of sound; six lectures delivered before a juvenile auditory at the Royal Institution, Christmas, 1919 Q Science
The design, implementation, and analysis of a computer-assisted instruction system on a mini-computer Q Science
Catalogue of 1680 stars for the equinox 1900·0 from observations made at the Royal observatory, Cape of Good Hope, during the years 1905-1906 Q Science
