TY  - SER
AU  -  Gilbert, W. S. 
TI  -  The Complete Plays of Gilbert and Sullivan 
AV  - ML 
PY  - 1997///
PB  -  Project Gutenberg, 
KW  -  Operas -- Librettos
N1  -  The gondoliers -- The grand duke -- H.M.S. Pinafore -- Iolanthe -- The Mikado -- The pirates of Penzance -- Princess Ida -- Ruddigore -- The sorcerer -- Thespis -- Trial by jury -- Utopia, Limited -- The yeomen of the guard -- Patience;  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/808
ER  -