This project was sponsored by the Ministry of National Cultural Heritage within the project for commemorating the millennium of Hungary.

We were generously assisted by colleagues and friends: Magdolna Dzúr (locating natural landscapes), Anikó Gregorovicz (Slovakian titles in the References and Bibliography), Dr. Zoltán Keresztesi (processing the maps), Judit Mayer (Slovakian geographical names), and others. We express our gratitude to all of them.