https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14009385
The church of Saint Peter-in-the-East, Oxford: section of the chancel and plan of the crypt. Line engraving by J. Basire, 1835, after G. Gwilt, 1818.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use