TY  - SER
AU  -  Higginson, Thomas Wentworth, 
TI  -  Fifteen sonnets of Petrarch 
PY  - 2015///
PB  -  Project Gutenberg, 
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/50307
ER  -