This volume contains a medieval collection of Latin adaptations of Aesopian fables, the so-called "Opusculum fabularum" which consists of three books, each of them again containing about 50 fables. Its complete version has been handed down only in the Berlin manuscript Theol. lat. fol. 142. The critical edition of this text is the main part of the present volume. It also contains the critical edition of the text of those fables of the "Opusculum fabularum"...