sentences:  and "Annales Hebræo-Typographici ab 1501 ad 1540" (Parma, 1799).This formed the foundation of his serious study of the early history of Hebrew printing; see Incunabula.In connection with this work he drew up a "Dizionario Storico degli Autori Ebrei e delle loro Opere" (Parma, 1802; German translation by Hamberger, Leipzig, 1839), in which he summed up in alphabetical order the bibliographical notices contained in Wolf, and, among other things, fixed the year of Rashi's birth; he also published a catalogue of his own manuscripts (1803) and books (1812).