Oceanic Abstracts Focused exclusively on worldwide technical literature pertaining to the marine and brackish-water environment with comprehensive coverage on marine biology and physical oceanography, fisheries, aquaculture, non-living resources, meteorology and geology, plus environmental, technological, and legislative topics. - yes
OECD iLibrary OECD iLibrary is the online library of the Organisation for Economic Cooperation and Development (OECD) featuring its books, papers and statistics and is the gateway to OECD’s analysis and data. It replaced SourceOECD in July 2010. It contains content published by the International Energy Agency (IEA), the Nuclear Energy Agency (NEA), the OECD Development Centre, PISA (Programme for International Student Assessment), and the International Transport Forum (ITF). 1998 - current yes
OneMine OneMine includes a broad selection of the full-texts of articles and peer-reviewed journals to support undergraduate or advanced studies in mining and minerals, and for organizations engaged in research and development. Articles are available PDF formats. 1850-present yes
OnePetro A collection of technical documents and journal articles serving the oil and gas exploration and production industry. - -