The Biodiversity Heritage Library (BHL) is a produced by a consortium of 12 major natural history museum libraries, botanical libraries, and research institutions organized to digitize, serve, and preserve the legacy literature of biodiversity.
The items scanned are all open access. As the Library progresses, they are coordinating with additional organizations in Europe, the far East, Australia, and Brazil to add more materials from those areas. There are both books and journals included with over 59,000 titles.