International Interdisciplinary Journal of Scientific Research
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes most peer-reviewed online journals of Europe and America’s largest scholarly publishers, plus scholarly books and other non-peer reviewed journals.
NewJour from Georgetown University Library, Washington DC, USA, has kept librarians, researchers, and publishers informed about new online publications for over twenty years. NewJour provides timely information about and access to online journals and newsletters from around the world through its subscription service. The extensive NewJour database is searchable by title or keyword. With contributions from around the world over the past two decades, the NewJour database has over 31,000 titles, covering subjects ranging from Accounting to Zoology.
WorldCat is a union catalog that itemizes the collections of 72,000 libraries in 170 countries and territories which participate in the Online Computer Library Center (OCLC) al cooperative. It is built and maintained collectively by the participating libraries.
Scribd is a digital library and ebook, audiobook and comic book subscription service that includes one million titles. In addition, Scribd hosts 60 million documents on its open publishing platform.