Figure I.1: Israel van Meckenem, "Seven Children at Play," ca. 1490, engraving, Rosenwald Collection, 1943.3.153. (B-2708)/PR. (Photo: ©2001 Board of Trustees, National Gallery of Art, Washington, D. C., Bartsch 188, Lehrs 9 p. 373 479, i/ii, http://www.nga.gov).