. . . . . "Narrative of Severn Wildfowl Trust Expedition to Iceland, 1951; discovery of principal breeding ground of pink-footed geese (Anser brachyrhynchus). Appendices on status of same species in Svalbard and Greenland, on the birds and plants of the Porsa valley, Iceland. Appendices C, D and E printed from 5th Annual Report of the Severn Wildfowl Trust, p.101-9, 112-4, 97-101 respectively." . "Narrative of Severn Wildfowl Trust Expedition to Iceland, 1951; discovery of principal breeding ground of pink-footed geese (Anser brachyrhynchus). Appendices on status of same species in Svalbard and Greenland, on the birds and plants of the Porsa valley, Iceland. Appendices C, D and E printed from 5th Annual Report of the Severn Wildfowl Trust, p.101-9, 112-4, 97-101 respectively."@en . . . "A thousand geese. [An account of the Severn Wildfowl Trust Expedition to Iceland in 1951. With portraits.]" . "A thousand geese. [An account of the Severn Wildfowl Trust Expedition to Iceland in 1951. With portraits.]"@en . . . . "A report on the search for the breeding ground of the pink-footed goose on an expedition to Central Iceland in 1951."@en . . . . "A thousand geese" . "A thousand geese"@en . "Thousand geese"@en . . . . . . . . . . . . . . . . "A thousand geese. [An account of an expedition to Iceland to ring pink-footed geese. With plates, including portraits, and maps.]"@en . . . "Severn Wildfowl Trust. Expedition to Central Iceland, 1951." . . "Severn Wildfowl Trust. Expedition to Central Iceland, 1951" .