Leach W.E. (1819). A list of invertebrate animals discovered by H. M. S. Isabella, in a voyage to the Arctic regions: corrected by W. E. Leach. Appendix II. [in] Ross J. London.
A voyage of discovery in His Majesty's ships Isabella and Alexander (in 1818) for the purpose of exploring Baffin's Bay and enquiring into the possibility of a northwest passage. xxxix+252 pp., 29 pls, 3 maps.