TY  - SER
AU  -  Shakespeare, William, 
TI  -  Macbeth 
AV  - PR 
PY  - 2004///
PB  -  Project Gutenberg, 
KW  -  Regicides -- Drama
KW  -  Scotland -- Kings and rulers -- Drama
KW  -  Tragedies
KW  -  Macbeth, King of Scotland, active 11th century -- Drama
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/13868
ER  -