"this drawing is a scaled-down copy of balthasar neumann's basic plan for the jesuit church in mainz. The execution from 1715-19 [??? according to other sources 1742-46, note ch] was the responsibility of building director valentin thoman. It shows half of the northern part of the jesuit church, supplemented by a section through the outer wall at gallery height. The condition of the sheet suggests that it was used on the construction site. " (sigrid popp). Date: 1. Hälfte 18. Jhd..
