Luke among the Ancient Historians

For centuries scholars have analyzed the composition of Luke-Acts presupposing that the reference to "many" accounts in Luke''s Preface indicates the written texts which served as the author''s primary sources of information. To justify this portrait of Luke as a text-based author, scholars have appealed to analogies with the text-based authors Dionysius of Halicarnassus, Diodorus Siculus, Plutarc...