- Prehistory a study of early cultures in Europe and the Mediterranean basin (1921)
- Our Forerunners (1923)
- Our Early Ancestors: An Introductory Study of Mesolithic, Neolithic and Copper Age Cultures in Europe and Adjacent Regions (1926)
- South Africa's Past in Stone and Paint (1928)
- The Old Stone Age - A Study of Palaeolithic Times (1933)
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1928.
This author died in 1971, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 51 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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