On the basis of an agreement between the Institute of History, Research Center for the Humanities, Hungarian Academy of Siences and Central and Eastern European Online Library (CEEOL), the periodicals of the Institute are openly and freely accessed at http://www.ceeol.com/aspx/AboutCEEOL.aspx. The full texts of the issues of Hungarian Historical Review, Kor/ridor, Történelmi Szemle (Historical Review) and Világtörténet (World History) can be downloaded in pdf format. The texts of the issues are being loaded continuously, starting from the present issues and going back in time.