Matthaus Merian began publishing the ‘Theatrum Europaeum’ in 1633, it was not finished until 1738 by which time 21 volumes had been issued including some 20,000 pages of text, 720 maps, plans, views and other engravings and nearly 700 portraits. This view depicts the siege of Mainz in 1635 with a legend upper left identifying key features. Shirley ‘Atlases in the British Library’ G-Loti 1a no. 22.