MATARKA (MAgyar Periodicals TARtalomjegyzékeinek Kereshető Adatbázisa – Hungarian Periodicals Table of Contents Database) is a database of the contents of journals issued in Hungary. It works as a library consortium managed by the University of Miskolc, Library, Archives, Museum. The database includes journal contents that can be searched in several different ways, and individual journal issues can also be browsed. Data input processing is done by manual input or by converting digital contents.