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| Folio No. 1 . . . . . . | Front original: "Recto". . . . . . . | (The back original: "verso" is blank.) |
| Folio No. 2 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 3 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 4 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 5 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 6 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 7 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 8 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 9. . . . . . | Front. — Folio No. 9. | . . . . . . . . . . Back. |
| Folio No. 10 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 11 . . . . . . | Front. . . . . . . | (The back is blank.) |
| Folio No. 12 . . . . . . | Front. . . . . . . | (The back is blank.) |
The reproduction of each page is preceded by a label divided into two parts: one indicating the sequence number under which the front or back of a folio is published, the other being reserved for the classification of subjects unrelated to Physiognomy.
Leonardo da Vinci, Physiognomy, folios Individual sheets of paper or parchment, often numbered., recto The front side of a leaf., verso The back side of a leaf., Library of Windsor Castle