D. E. Roberts

• A spectroscopic investigation of combustion-driven spherical implosion waves
• Existentialism and religious belief
• Notes on the cretaceous formations of the eastern shore of Maryland
• The Grimsby Gas Undertaking 1836-1949
• The Leicester gas undertaking, 1821-1921
• The Lincoln Gas Undertaking 1828-1949
• The Nottingham gas undertaking 1818-1949
• The Nottingham Gas-Light and Coke Company, 1818-1874
• The Sheffield Gas Undertaking, 1818-1949
• The structure of the Skiddaw slates in the Blencathra-Mungrisdale area, Cumberland