Digital contents that can be found in the Rákóczi Memorial Year Collection are being published by the NSZL based on the written permission of the copyright holders for educational and scientific purposes. Re-distribution or use for other purposes only allowed by an explicit agreement of the copyright holder. The exceptions are those contents that have published under a Creative Commons license, and those non-copyrighted documents from the MEK, EPA and DKA collections whose creators died more than 70 years ago.