There is also a substantial collection of works on paper of all periods, in particular by and after Turner, by Blake and of modern prints executed after 1945. The database at the Tate's web site contains records for some 25,000 works and 10,000 images. The site offers 400,000 catalogued business-oriented web sites that are organized into 25,000 categories and subcategories. Subject areas include physics and related disciplines, mathematics, nonlinear sciences, computational linguistics, and neuroscience. This archive is based upon activities supported by the U.S. National Science Foundation with the Los Alamos National Laboratory, and by the U.S. Department of Energy.
Membership is free, but initial registration is required.
You can search the collection of full-text and bibliographic data and download or view the document in PDF or in the original electronic format, if it is available. This Department of Energy site provides a gateway to over 1,500 pre-print servers that deal with scientific and technical disciplines of concern to the Department. Such disciplines include the great bulk of physics, materials, and chemistry, as well as portions of biology, environmental sciences and nuclear medicine. Bibliographic database developed by the Department of Energy to to facilitate searching and accessing peer reviewed journal literature in the physical sciences and other energy-related disciplines. You can search across abstracts and citations of multiple publishers at no cost.