There are 4 databases that start with "O"

1. Oceanic Abstracts

Oceanic Abstracts, worldwide technical literature: biological oceanography/ecology, physical/chemical oceanography, marine geology/geophysics/geochemistry, marine pollution, & more.... (more info)

2. OED Online

The Oxford English Dictionary is a historical dictionary of English, covering the language from the earliest times to the present day. It aims to show... (more info)

3. Opposing Viewpoints In Context

One-stop source for information on today's hottest social issues. It features continuously updated viewpoint articles, topic overviews, full-text magazines, academic journals, news articles, primary s... (more info)

4. OxResearch

Provides succinct analytical articles covering world and regional economic and political developments of major significance. Evaluates issues and eve... (more info)