The Biodiversity Heritage Library (BHL) is the world's largest open access digital library for biodiversity literature and archives. BHL is revolutionizing global research by providing free, worldwide access to knowledge about life on Earth. The BHL portal provides free access to hundreds of thousands of volumes, comprising over 56 million pages, from the 15th-21st centuries. In addition to public domain content, BHL works with rights holders to obtain permission to make in-copyright materials openly available under Creative Commons licenses.
Manuscript Women's Letters and Diaries from the American Antiquarian Society brings together 105,000 pages of the personal writings of women of the 18th, 19th, and 20th centuries, displayed as high-quality images of the original manuscripts, Semantically Indexed and online for the first time. The collection is drawn entirely from the extensive holdings of the American Antiquarian Society. It currently contains over 103,000 pages.
North American Women's Letters and Diaries uses PhiloLogic software, developed at the University of Chicago, to enable in-depth browsing and searching of both the bibliographic and the full-text elements within the database. We have recently upgraded the PhiloLogic software, enhancing performance and giving the collection a fresh new look. We have improved the search engine for better performance and introduced new toolbar navigation for easier browsing, but all other functionality of the collection remains the same.
The purpose of the Prevention Technology Transfer Center (PTTC) Network is to improve implementation and delivery of effective substance abuse prevention interventions, and provide training and technical assistance services to the substance abuse prevention field.
PubMed is a free resources comprised of over 30 million citations. These come from the biomedical literature, life science journals, and online books. PubMed citations and abstracts include the fields of biomedicine and health, covering portions of the life sciences, behavioral sciences, chemical sciences, and bioengineering.
The Rural Health Information Hub, formerly the Rural Assistance Center, is funded by the Federal Office of Rural Health Policy to be a national clearinghouse on rural health issues. We are committed to supporting healthcare and population health in rural communities.
The Rural Health Research Gateway provides easy and timely access to research conducted by the Rural Health Research Centers, funded by the Federal Office of Rural Health Policy. Gateway efficiently puts new findings and information in the hands of our subscribers, including policymakers, educators, public health employees, hospital staff, and more.