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• Oil & colour trades journal, (1)
• Oil & colour trades journal (1)
• Oil engine (1)
• Oil engine and gas turbine (2)
• Oil Firing (1)
• Oil & gas interests newsletter (1)
• Oil & gas investor (1)
• Oil & gas journal (1)
• Oil & Gas News (1)
• Oil, gas & petrochem equipment (1)
• Oil & gas science and technology (2)
• Oil & chemical pollution (2)
• Oil, paint and drug reporter (1)
• Oil, paint and drug reporter and New York druggists price current (1)
• Oil, paint and drug reporter the chemical marketing newspaper (1)
• Oil & petrochemical pollution (2)
• Oil Shale (1)
• Oil spill intelligence report (1)
• Oil Weekly (1)
• Oil World Monthly (1)