93. University of Pennsylvania, Ms. Codex 1420 Title: Ledger Author: Bartolomeo di Stefano Place: Italy Date: 1514-1522.
94. University of Pennsylvania, Oversize Ms. Codex 1422 Title: Notebook Author: Tommaso Ridolfi Place: Italy Date: 1522-1549.
96. University of Pennsylvania, Oversize Ms. Codex 1424 Title: Notebook Place: Italy Date: 1543-1556.