The OCR4all tool ensures converting historical printings into computer-readable texts. It is very reliable, user-friendly, and open source. It was developed by scientists at the University of Würzburg.
D. Erdmann, and K. Vogel. Digital Turn und Historische Bildungsforschung. Bestandsaufnahme und Forschungsperspektiven, Julius Klinkhardt, Bad Heilbrunn, (2022)
E. Losh, and J. Wernimont (Eds.) Debates in the digital humanities University of Minnesota Press, Minneapolis, Minn., (2018)Includes bibliographical references and index.