The western and eastern churches represented by St. Peter's in Rome and S. Sophia in Istanbul (Constantinople); Jewish circumcision and the baptism of a baby by a bishop . Engraving by R. Smith.

Licence: Public Domain Mark

Credit: The western and eastern churches represented by St. Peter's in Rome and S. Sophia in Istanbul (Constantinople); Jewish circumcision and the baptism of a baby by a bishop . Engraving by R. Smith. Wellcome Collection. Source: Wellcome Collection.