 That revision involved, first, incorporating Mycenaean Greek and Patristic writings, as well as personal and place names, which were all absent from the "LSJ".Besides the increasing mass of words showing up in new literary and documentary texts, new critical editions of well-known texts and the necessary revision of their interpretation in the light of the current state of the art mandated a dictionary on new foundations.As for the etymological element, the tremendous development of Indo-European linguistics all through the 20th century had also to be taken into account.