The third book has, in the first place, twenty-eight engravings of Roman letters. The twenty-ninth represents a gothic S (folio 42 verso). The thirtieth is a representation of the Pot Cassé, signed with the Lorraine cross (folio 43 verso).[349]

Next come thirty-eight other cuts of letters, and two curious drawings of the letter Y (folio 63 recto and verso).[350] Then two ordinary copies of the letter Z, and an allegory based on the shape of that letter (folio 65).[351]

On folio 65 verso is a representation of various punctuation marks.

Folios 68 verso and 69 recto: a Hebrew alphabet of forty letters or symbols.

Folio 71 recto: the Greek alphabet of twenty-four letters and three accents.[352]

Folio 72 recto: the Latin alphabet[353] of twenty-three letters, with three punctuation marks, and the Greek abbreviation of the name of Jesus.

Folio 74 recto: the alphabet of cadeaulx letters, consisting of twenty-three letters and one mark.

Folio 74 verso: the alphabet of letters de forme, consisting of twenty-nine letters or symbols, with two lines of text added.

Folio 75 recto: the alphabet of bastardes letters, consisting of twenty-eight letters or symbols, followed by two lines of text.