Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 53. Chapters: Academic Spring, Access2Research, American Scientist Open Access Forum, BASE (search engine), Bent Skovmand, Berlin Declaration on Open Access to Knowledge in the Sciences and Humanities, Bethesda Statement on Open Access Publishing, Budapest Open Access Initiative, Cape Town Open Education Declaration, ChemRefer, DBpedia, Directory of Open Access Journals, Durham Statement on Open Access to Legal Scholarship, Embargo (academic publishing), Eprint, EServer.org, Federal Research Public Access Act, Flat World Knowledge, Grey Literature Network Service, Hybrid open-access journal, Institutional repository, List of open access projects, Open-access mandate, Open Access Scholarly Publishers Association, Open Access Week, Open Archives Initiative Protocol for Metadata Harvesting, Open communication, Open Knowledge Society, Open Notebook Science Challenge, Perspectivia.net, Peter Suber, Postprints, PsyDok, Public Knowledge Project, Registry of Open Access Repositories, Repository (publishing), Research Works Act, ROARMAP, Scholarly Publishing and Academic Resources Coalition, Science 2.0, ScientificCommons, Self-archiving, SimpleDL, Social Science Open Access Repository, South African Institutional Repositories, Subbiah Arunachalam, Subversive Proposal, The Cost of Knowledge, The Muslim Philanthropy Digital Library, Traditional safety valves, Universal Authority File, Virginia Open Education Foundation, ZooBank. Excerpt: Open access (OA) is the practice of providing unrestricted access via the Internet to peer-reviewed scholarly journal articles. OA is also increasingly being provided to theses, scholarly monographs and book chapters. Open access comes in two degrees: Gratis OA is no-cost online access, while Libre OA is Gratis OA plus some additional usage rights. Open content is similar to OA, but usually includes the...