D. B. Thomas

• Soil and water conservation manual for Kenya
• Cameras
• Trams and buses of Newport, 1845 to 1981
• Where there is no water
• My Favorite Christmas
• Sanditon on Reflection
• Soil and water conservation in Kenya
• Soil and water conservation in Kenya
• Taxonomic Synopsis of the Asopine Pentatomidae (Heteroptera) of the Western Hemisphere
• The first colour motion pictures
• The first negatives
• The origins of the motion picture