Speculum Musicae | Speculum Humanae Salvationis | Museo di storia naturale e del territorio dell'Università di Pisa | Museo Civico di Storia Naturale di Milano | Molar teeth of ''T. punjabensis'' at the Museo Civico di Storia Naturale di Verona, Verona | L'assoluto naturale |
It was written at a time when other encyclopedic descriptions of the world were being produced and translated, such as the Summarium Heinrici, the Hortus deliciarum (Herrad of Landsberg), the Liber exceptionum (Richard de Saint-Victor, Jean Châtillon), the De proprietatibus rerum (Bartholomeus Anglicus), and the Speculum naturale (Vincent of Beauvais).
This organization had been developed in the 13th century by Vincent of Beauvais in his Speculum naturale and had also been used by Bartholomaus Anglicus in his De proprietatibus rerum and by Thomas of Cantimpré in his Liber de natura rerum.