Mazes and labyrinths; a general account of their history and developments (1922)
Matthews, William Henry, 1882- · London, New York, etc. Longmans, Green · leaf 233
employed weresmall pebbles, in other instances they were as large as achilds head, and in one case they were so large that theyrequired several strong men to lift them. Some of thefigures had nearly disappeared through the action ofmoss, earthworms, etc. In 1877, Dr. J. R. Aspelin, of Helsingfors,… … VJJi * 9. *TjarJ» <J wv £> <r Fig. 124.—Stone Labyrinth on Wier Island, Gulf of Finland. (von Baer.)
Labyrinths
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