A list of on-line databases accessible at the NCU can be found at http://www.bu.umk.pl/bazy_dziedzinowe.html. It contains quick links to a number of on-line journals and databases available through the library subscription or on servers of other institutions. For example, the National Library provides free access to articles in periodicals since 1996, Polish bibliography since 1978, central catalogs of Polish and foreign periodicals, a database of Polish libraries, and many others. Other sources include databases of the Information Processing Centre (Ośrodek Przetwarzania Informacji): conference materials, Polish Research Directory, SYNABA research documents. Additionally, a list of e-journal subscriptions can be viewed at: http://www.bu.umk.pl/czasopisma.htm. The library offers access to full-text journals available through subscriptions at Academic Press, eIFL Direct (EBSCO), LINK Springer and ScienceDirect. Links to other resources are also available at: http://www.bu.umk.pl/linki.htm.