A "lost" standing stone on Farleton Fell, Westmorland.

von Wells, C. E.
Veröffentlicht in Transactions of the Cumberland and Westmorland (N. S.) Antiquarian and Archaeological Society, New Series, 100 (2000)
2000.
Umfang/Format: 273-275.

The Wetlands of Merseyside.

von Cowell, R. W.
North West Wetlands Survey 1
Lancaster : National Museums and Galleries on Merseyside, 1994.
Umfang/Format: XIII, 285 S. : Abb. Taf. ; 30 cm.

The wetlands of Greater Manchester

von Hall, David, 1938-
North West Wetlands Survey (Series) ; 2.
Lancaster : Lancaster University Archaeological Unit, 1995.
Umfang/Format: x, 188 p. : ill., maps (some col) ; 30 cm.