1. FROC: Font Group Recognition OCR. https://github.com/OCR-D/ocrd_froc/tree/45d5dcdefe156becb74c100faa7f722966936d3a. Accessed 21 May 2024
2. Glyphcollector. https://github.com/krksgbr/glyphcollector. Accessed 22 May 2024
3. Tesseract 5.3. https://tesseract-ocr.github.io/tessdoc/#training-for-tesseract-5. Accessed 22 May 2024
4. Type 1:82G bei Drucker des Catholicon (GW 3182). https://tw.staatsbibliothek-berlin.de/ma06249. Accessed 22 May 2024
5. Baierer, K., et al.: OCR-D compact: results and state of research in the funding initiative. Bibliothek Forschung und Praxis 44, 218–230 (2020). https://doi.org/10.1515/bfp-2020-0024