93
"(The datings proposed for individual sheets range from thhe 1550s to the 1570s. [FN 5: In addition to the works cited above, see Heinrich Wurm, Der Palazza Massimo alle Colonne (Berlin, 1965) p. 53, and Christoph Luitpold Frommel, Der Römische Palastbau der Hochrenaissance II (Tübingen, 1973) pp. 6, 56, 69, 123, 162, 239, 309.]) Clearly, several hands were at work in the scrapbook, and, as has been noted, at least one of these appears to have been French."