https://www.abebooks.com/9781904919100/Selected-Writings-Protagoras-Republic-Phaedrus-1904919103/plp
Selected Writings from 'Protagoras', 'Republic', 'Phaedrus' and 'Gorgias - Plato: 9781904919100 -...
Each volume in this series has a full Introduction, including biographical details and a further reading list.
selected writingsprotagorasrepublicphaedrusgorgias