TY  - BOOK
AU  - Gay,John
TI  - The Beggar's Opera
AV  - ML 
PY  - 2000///
PB  - Project Gutenberg
KW  - Ballad operas -- Librettos
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/2421
ER  -