по ссылке ниже - сканенные/сфотканные (к сожалению, можно смотреть только постранично, и пдфов нет) работы Соверби
http://num-scd-ulp.u-strasbg.fr:8080/perl....=ALL&_s Sowerby, James (1812) Mineral conchology of Great Britain [Tome 1]
Sowerby, James (1818) Mineral conchology of Great Britain [Tome 2]
Sowerby, James (1821) Mineral conchology of Great Britain [Tome 3]
Sowerby, James (1823) Mineral conchology of Great Britain [Tome 4]
Sowerby, James and Sowerby, James de Carle (1825) Mineral conchology of Great Britain [Tome 5]
Sowerby, James and Sowerby, James de Carle (1829) Mineral conchology of Great Britain [Tome 6]
Sowerby, James and Sowerby, James de Carle (1840) Mineral conchology of Great Britain [Tome 7]
Sowerby, George Brettingham (1854) Popular British conchology, a familiar history of th molluscs inhabiting the British isles