TY  - SER
AU  -  Harokopos, Aristeidis, 
TI  -  Πρωταγόρας 
AV  - B 
PY  - 2011///
PB  -  Project Gutenberg, 
KW  -  Protagoras
KW  -  Sophists (Greek philosophy)
KW  -  Virtue -- Early works to 1800
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/34820
ER  -