R. Radice (with collaboration of E. Vimercati and I. Ramelli) Lexicon I: Plato (printed and informatic version), Milano 2003.

Lexicon I on Plato is made up of 1) a full-text electronic edition on CD-ROM that allows the visualisation of the text, the creation of a complete concordance both by lemmata and by forms, text search facilities endowed with a variety of search-parameters and with the opportunity to personalise the text by the insertion of keywords and markers. 2) A printed lexicon ordered by lemmata and forms with a complete indexing of the locations where terms are to be found.