The National Technical Information Service serves as the largest central resource for government-funded scientific, technical, engineering, and business related information. See the NTRL Database for access to full text technical reports and bibliographic records for technical reports.
NTRL (National Technical Reports Library) is from the National Technical Information Service (NTIS) within the Department of Commerce. NTRL provides access to government-sponsored research, development and technical reports with full-text access to reports that have been digitized. Searches over 3 million reports with links to over 800,000 full-text reports. 1964 to present
Search U.S. government technical reports issued primarily prior to 1976 and digitized by TRAIL member libraries. Digitized series include Atomic Energy Commission, NACA, Bureau of Mines Bulletins, and NBS publications.
DTIC is a central resource for DoD and government-funded scientific, technical, engineering, and business related information. Search Technical Reports and find bibliographic citations or full text reports.
NASA Technical Reports Server (NTRS) provides access to over 500,000 aerospace-related citations, over 300,000 full-text online documents, and over 500,000 images and videos. The types of information include: conference papers, journal articles, meeting papers, patents, research reports, images, movies, and technical videos – scientific and technical information (STI) created or funded by NASA. The databases includes NACA, NASA and NIX collections.