Bobula, Ida. : Annual report of the Board of Regents of the Smithsonian Institution showing the operations, expenditures, and condition of the Institution for the year ended June 30, 1959. [electronic resource]
BOC Priestley Conference. 1977. : Oxygen in the metal and gaseous fuel industries : the plenary lectures of the first BOC Priestley Conference / sponsored by the BOC Gases Division Trust and organised by the Chemical Society in conjunction with the University of Leeds, Leeds, September 26th-29th, 1977.
BOC Priestley Conference 1980 : : Oxygen and life : lectures delivered at the Second BOC Priestley Conference / sponsored by the BOC Gases Division Trust and organised by the Royal Society of Chemistry, in conjunction with the University of Birmingham, Birmingham, September 15th-18th 1980.
BOC Priestley Conference 1983 : : Oxygen and the conversion of future feedstocks : the proceedings of the Third BOC Priestley Conference / sponsored by the BOC Gases Division Trust ; and organised by the Royal Society of Chemistry in conjunction with the Imperial College of Science and Technology, London, London September 12th-15th 1983.