This work was partly funded by the German Ministry for Education and Research (under refs 01IS14013A-E, 01GQ1115, 01GQ0850, 01IS18056A, 01IS18025A and 01IS18037A), the German Research Foundation (DFG) as Math+: Berlin Mathematics Research Center (EXC 2046/1, project-ID: 390685689). Furthermore KRM was partly supported by the Institute of Information & Communications Technology Planning & Evaluation (IITP) grants funded by the Korea Government (No. 2019-0-00079, Artificial Intelligence Graduate School Program, Korea University). Finally, the Sphere project is also supported by the Max Planck Institute for the History of Science.

This dataset contains images of pages containing tables from the Sphaera Corpus. Each image is named according to the following standard: bookID_author_partOfTitle_publicationYear_page.jpg Selected metadata is located in the sphaera_tables_9793.csv file. Extensive information about each book, searched by BookID, can be access here: http://db.sphaera.mpiwg-berlin.mpg.de