Berkenhout, J. (1795). Synopsis of the natural history of Great-Britain and Ireland.: Containing a systematic arrangement and concise description of all the animals, vegetables, and fossils, ... By John Berkenhout, M.D. Being a third edition of the Outlines, &c. corrected and considerably enlarged. .. (3rd. ed.). printed for T. Cadell, and sold by T. Cadell, junior, and W. Davies, (successors to Mr. Cadell).

Berkenhout, John. Synopsis of the Natural History of Great-Britain and Ireland.: Containing a Systematic Arrangement and Concise Description of All the Animals, Vegetables, and Fossils, ... By John Berkenhout, M.D. Being a Third Edition of the Outlines, &c. Corrected and Considerably Enlarged. .. 3rd. ed. printed for T. Cadell, and sold by T. Cadell, junior, and W. Davies, (successors to Mr. Cadell), 1795.