H. Godwin and V.M. Conway, "The Ecology of a Raised Bog Near Tregaron, Cardiganshire", Reprint from The Journal of Ecology, Vol. XXVII, No. 2, August, 1939.

Turner, John S., H. Godwin and V.M. Conway, "The Ecology of a Raised Bog Near Tregaron, Cardiganshire", Reprint from The Journal of Ecology, Vol. XXVII, No. 2, August, 1939. (1939), [UMA-IT-000032231]. University of Melbourne Archives, accessed 03/04/2026, https://archives.library.unimelb.edu.au/nodes/view/496382