Lucrezia was an educated woman . . .

. . . a rarity in her time.  The Cohens, in their book "Daily Life in Renaissance Italy," estimate that only one in three males and one in eight females were literate.  She would have had at her disposal the manuscript collection of her father-in-law, Cosimo the Elder, which at the time of his death numbered 150 books and was housed at the Palazzo Medici on Via Larga.  Today, that collection has grown to over 120,000 volumes and is located at the Laurentian Library, which is next to the San Lorenzo basilica.  San Lorenzo was the Medici family church which is one block from the palazzo.  Above is a photo of the inside of the library, which wasn't actually built until the 16th century.