1 2 B.J. Coles. "Doggerland : a speculative survey (Doggerland : une prospection spéculative)", Proceedings of the Prehistoric Society, ISSN 0079-497X, 1998, vol. 64, pp. 45–81 (3 p.1/4) ↑ North Sea Palaeolandscapes Project ↑ Laura Spinney, "The lost world: Doggerland" ↑ Vincent L. Gaffney; Kenneth Thomson; Simon Fitch, eds.