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NAICS North American Industry Classification System Lookup
NAICS North American Industry Classification System Lookup
NAICS is the standard used by federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy. Enter a keyword that describes your kind of business. A list of primary business activities containing that keyword and the corresponding NAICS codes will appear. Choose the one that most closely corresponds to your primary business activity, or refine your search to obtain other choices.
NASA Technical Report Server (NTRS)
NASA Technical Report Server (NTRS)
NTRS indexes citations, full-text documents, and multimedia content from NACA and NASA publications and research reports. Content includes conference papers, journal articles, meeting papers, patents, research reports, theses and dissertations, images, movies, and technical videos. Full text available as PDFs. 1903-present.
National Academies Press
National Academies Press
The National Academies Press provides over 4000 free PDF ebooks (most of their published titles). Free registration is required before you can download the PDFs. You can download a single PDF for the entire book, or one for each chapter. We link from the Addison screen for our print copies to the online version on the NAP site. You can browse subject categories or search across the collection.
National Agriculture Statistics Service (NASS) from USDA
National Agriculture Statistics Service (NASS) from USDA
NASS allows searching and browsing of reports and data sets compiled by the National Agricultural Statistics Service. Reports cover virtually every facet of U.S. agriculture—production and supplies of food and fiber, prices paid and received by farmers, farm labor and wages, and other aspects of the farm industry. Data sets are commodity specific and contains many category breakdowns including U.S., state, and county crop and livestock data. Full-text reports available in PDF and text. Reports 1900s-present; data sets 1866-present.
National Archive of Computerized Data on Aging (NACDA) from ICPSR
National Archive of Computerized Data on Aging (NACDA) from ICPSR
NACDA provides both data sets relevant to gerontological research and an index of citations for journal articles, books, book chapters, government and agency reports, working papers, dissertations, conference papers, meeting presentations, unpublished manuscripts, magazine and newspaper articles, and audiovisual materials that reference data held in the NACDA and ISCPR archives. 1862-present.
National Archive of Criminal Justice Data (NACJD) from ICPSR
National Archive of Criminal Justice Data (NACJD) from ICPSR
NACJD provides both data sets related to criminal justice and criminology and an index of citations to journal articles, books, book chapters, government and agency reports, working papers, dissertations, conference papers, meeting presentations, and unpublished manuscripts based on this data.
National Atlas of the United States
National Atlas of the United States
The National Atlas of the United States is an interactive, online version of the print atlas. Maps available as GIF and PDF. Vector files are available in Shapefile and SDTS-TVP formats. Geostatistical data are in DBF format. Images are GeoTIFF files.
National Center for Education Statistics from the US Department of Education
National Center for Education Statistics from the US Department of Education
NCES issues numerous publications and datasets each year. These include: early releases, issue briefs, statistical reports, directories, and handbooks of standard terminology, plus library statistics. Reports presented as PDFs; data sets can be customized as HTML tables or downloaded in a variety of formats.
National Climatic Data Center
National Climatic Data Center
The National Climatic Data Center provides data sets on climate and weather, plus full-text publications in PDF that summarize this data. Free access to some data sets requires connecting from a campus computer or through Off Campus Sign In.
National Defense University Digital Collections
National Defense University Digital Collections
Keyword-searchable and browseable archive of the free online books, journals, working papers, and policy briefs published by the US National Defense University. Also includes links to official US national strategy documents and other documents dealing with military policy. Some linked materials are not accessible to non-NDU users. 1984-present.
National Geographic Society Publications Index
National Geographic Society Publications Index
The NGS Publications Index contains over 30,000 citations, each describing a magazine article, book, map, or other Society product,. Use Addison, the library catalog to locate specific issues. 1888-present.
National Jukebox from the Library of Congress
National Jukebox from the Library of Congress
The National Jukebox provides streaming music (via an embedded Adobe Flash player) from their collection of music and spoken word recordings and from other participating libraries. You can browse or search for recordings or playlists. 1910-1929.
National Library of Medicine Catalog
National Library of Medicine Catalog
The NLM Catalog provides access to NLM bibliographic data for journals, books, audiovisuals, computer software, electronic resources and other materials. It contains detailed MEDLINE indexing information about the journals in PubMed and other NCBI databases. Links to the library's holdings in LocatorPlus, NLM's online public access catalog, are also provided. Use Interlibrary Loan to request titles found in this catalog that are not owned locally.
National Map from the USGS
National Map from the USGS
The National Map includes orthoimagery (aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures, and land cover. Other types of geographic information can be added within the viewer or brought in with The National Map data into a Geographic Information System to create specific types of maps or map views. The US Topo Maps module provides electronic access to topological maps previously received in print.
National Statistics (United Kingdom)
National Statistics (United Kingdom)
Summaries and detailed data releases on Britain's economy, population and society at national and local level, from the British Office of National Statistics.
Natural History encyclopedias from Oxford Reference Online
Natural History Encyclopedias from Oxford Reference Online
Search or browse across eight subject encyclopedias and dictionaries with over 10,000 entries. References are linked via Get VText.
Naxos Music Library
Naxos Music Library
Naxos Music Library provides streaming music from classical, jazz, world music, pop, rock, and Chinese orchestral CDs. NML also provides libretti and synopses for operas, a pronunciation guide for composer and artist names, an overview of musical terms, and work analyses and details with instrumentation, publishers, duration, work information and available recordings.
NCBI National Center for Biotechnology Information Bookshelf
National Center for Biotechnology Information (NCBI) Bookshelf
The NCBI Bookshelf hosts full-text books (mostly as PDFs) that can be searched or browsed. Titles are also linked from other NCBI databases such as PubMed.
NCJRS: National Criminal Justice Reference Service Abstracts Database from ProQuest
NCJRS: National Criminal Justice Reference Service Abstracts Database from ProQuest
The NCJRS: National Criminal Justice Reference Service Abstracts Database indexes abstracts and full-text of journal articles, conference papers, books, and federal, state and local government reports in the field of criminology and criminal justice. The full-text materials are available in both HTML and PDF. 1970-present.
Networked Digital Library of Theses and Dissertations (NDLTD)
Networked Digital Library of Theses and Dissertations
The Networked Digital Library of Theses and Dissertations indexes citations, abstracts, and full-text theses and dissertations from around the world. Many are available in full text through this database (otherwise you may be able to request a copy through interlibrary loan). Early 1900s-present.
Neurosciences Abstracts from ProQuest
Neurosciences Abstracts from ProQuest
Neuroscience Abstracts indexes citations and abstracts from journal articles, conference papers, books, and patents in the fields of medicine, neural diseases like Alzheimer's, molecular neurobiology, biological sciences, neurophysiology, and biophysics. You can limit to peer-reviewed sources. 1982-present.
News and Newspaper databases from ProQuest
News & Newspaper databases from ProQuest
This database indexes citations, abstracts, and some full text for journal and newspaper articles from historical and current, international and domestic newspaper databases on the ProQuest platform. Use the Databases link at the top of the screen to change which databases are searched. You can limit to peer-reviewed sources. 1681-present.
Newspaper Index (Local Newspapers)
Newspaper Index (Local Newspapers)
Full-text index of local newspapers. Covers Virginia Tech, Southwest Virginia and the New River Valley, from the Roanoke Times and World News (Jan 1, 1992-Feb 28, 1997), the News Messenger (1963 to June 1998), The Collegiate Times (1970 to June 1998), the Virginia Tech Spectrum (Fall 1994-Spring 2005).
Newspaper Source Plus from EBSCOhost
Newspaper Source Plus from EBSCOhost
Newspaper Source Plus indexes citations, abstracts, and full text from more than 860 newspapers. Full-text articles are available in PDF format.The database covers major newspapers and television and radio news transcripts. 1985-present.
New York Times from ProQuest Historical Newspapers
New York Times from ProQuest Historical Newspapers
New York Times from ProQuest Historical Newspapers offers full-text and full-image articles for significant newspapers dating back to the 18th Century. The database includes paper-cover-to-cover, with full-page and article images in downloadable PDF format, including front pages, articles, editorials, photos, advertisements, wedding and engagement announcements, cartoons, birth and death announcements, reviews, and more. 1851-2007.
NINES: Nineteenth Century Scholarship Online
N I N E S: Nineteenth Century Scholarship Online
NINES (Networked Infrastructure for Nineteenth-Century Electronic Scholarship) indexes citations to publications, manuscripts, art, and photos, with links to full text (some in restricted access databases) and acts as a clearinghouse for peer-reviewed digital resources, which can be collected, annotated, and re-used in online "exhibits."
Nineteenth Century Collections Online (NCCO) from Gale
Nineteenth Century Collections Online (NCCO) from Gale
NCCO indexes the full text of books, newspapers, pamphlets, manuscripts, maps, diaries, photographs, statistics, literature, government reports, treaties, and other kinds of documents in both Western and non-Western languages as HTML and PDF, plus some image formats. Subject areas include British politics and society, religion, education, international relations, economics, and English, French, and German literature. 1789-1914.
NSTC - Nineteenth Century Short Title Catalogue - C19
NSTC - Nineteenth Century Short Title Catalogue - C19
The Nineteenth Century Short Title Catalogue indexes bibliographic records or works published in Britain, its colonies, the U.S., and other works in English or translated into English from elsewhere in the world. Records include books and manuscripts, periodicals, directories, and other publications. 1801-1919.
NTIS from Engineering Village
NTIS from Engineering Village
NTIS indexes citations and abstracts of National Technical Information Service reports and audiovisual materials from sources such as NASA and the departments of Energy and Defense. Obtain full-text reports through interlibrary loan.
Nucleic Acids Abstracts from ProQuest
Nucleic Acids Abstracts from ProQuest
Nucleic Acids Abstracts indexes citations and abstracts from journal articles, conference papers, books, dissertations, and patents in the fields of biochemistry, biological sciences, genetics, biotechnology, and bioengineering. You can limit to peer-reviewed sources. 1982-present.
Nucleotide Database from NLM
Nucleotide Database from NLM
The Nucleotide Database is a collection of sequences from several sources, including GenBank, RefSeq, TPA and PDB. Genome, gene and transcript sequence data provide the foundation for biomedical research and discovery.
Nutrition and Well-Being A to Z from Gale Virtual Reference Library
Nutrition and Well-Being A to Z from Gale
Nutrition and Well-Being A to Z is a searchable and browseable encyclopedia covering topics in general nutrition, food science, and human development.
Legend
Resource is restricted to current Virginia Tech students, faculty, and staff. Use Off Campus Sign In if not on the campus network.
Resource is licensed for Virginia Tech alumni access. Use Alumni Library Portal Sign In to access. Freely accessible database, available to anyone without restriction Sponsored by VIVA, the Virtual Library of Virginia. Mobile interface available, see description for link. Screencast tutorial available, icon linked to list. Contents of this database are in Summon.
Resource provides Get VText links to access full text. Resource provides open access publishing opportunities and open access publications.
Resource provides self archiving opportunities and open access documents.Warning
NOTE: Most items obtained from this page are subscribed to by the library and accessible only to Virginia Tech students, faculty, and staff.
WARNING: The abuse of Virginia Tech licensed online resources by such means as systematic downloading violates the university's acceptable use policy, jeopardizes Tech's future access to resources, and is prohibited.
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