TY  - SER
AU  -  Baring-Gould, S. 
TI  -  Cliff Castles and Cave Dwellings of Europe 
AV  - GT 
PY  - 2005///
PB  -  Project Gutenberg, 
KW  -  Cave dwellings -- Europe
KW  -  Troglodytes
KW  -  Cliff-dwellings -- Europe
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/8898
ER  -