Early British trackways : moats, mounds, camps, and sites (1922)

Watkins, Alfred, 1855-1935 · Hereford : The Watkins Meter Co. ; London : Simpkin, Marshall, Hamilton, Kent & Co. · leaf 35

Mounds · Leys · Megalithic monuments

Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.

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