Caire (A.)
La Science des pierres précieuses, appliquée aux arts. Paris, 1826. 8vo.
Calvert (Albert Frederick)
Pearls: their Origin and Formation. London, 1892. 8vo.
Camden (William)
Britannia; or A Chorographical Description of Great Britain and Ireland, Together With the Adjacent Islands. 2 vols. London, 1722. Fol.
Carpenter (William B.)
On the Microscopic Structure of Shells. Report of the British Association for the Advancement of Science, September, 1844, pp. 1–28. London, 1845.
The Microscope and its Revelations. Sixth edition. London, 1881. 8vo.
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