Christianae institutionis liber, complectens tractatum septem sacramentorum, expositionem symboli apostolici, orationis dominicae, & decem mandatorum Dei, aeditus in concilio provinciali Treverensi, anno Jesu Christi MDXLIX.
Version 3 can be requested by using "Content Negotiation" as described in IIIF API Version Switching