Article Cleevely, R. J. (2012)
The Collaboration of the French Naturalist Charles de Gerville with the Sowerby Family and Its Contribution to Early Nineteenth-Century Geology. Archives of Natural History (p. 77). (/isis/citation/CBB001220857/) unapi

Article Cleevely, R. J. (1976)
The Sowerbys and their publications in the light of the manuscript material in the British Museum (Natural History). Journal of the Society for the Bibliography of Natural History (pp. 343-368). (/isis/citation/CBB000011615/) unapi

Article Elliott, G. F. (1975)
The non-descriptive palaeontology of the Sowerbys' Mineral conchology. Bulletin of the British Museum (Natural History): Historical Series (pp. 387-399). (/isis/citation/CBB000012600/) unapi