1. Agassiz L. 1847. An introduction to the study of Natural History, in a series of lectures delivered in the hall of the College of Physicians and Surgeons. New York. [Not seen.]
2. Obituary
3. Charles William Peach, A. L. S;Anon;Geological Magazine,1886
4. Anon . 1969. British Palaeozoic Fossils. Third edition. Trustees of the British Museum (Natural History), London.
5. XXXIII.—Descriptions of several new Genera and Species of Crinoidea