TY  - BOOK
AU  - Sowerby,George Brettingham,1788-1854
TI  - Illustrated Index of British Shells Containing figures of all the recent species
PY  - 2013///
PB  - Project Gutenberg
N1  - Project Gutenberg; Freely available; Electronic text
UR  - http://www.gutenberg.org/etext/43305
UR  - http://www.gutenberg.org/license
ER  -