2 links
Astrological Geomancy
accessnewage.com
Copyright 1998 Anthony Louis. An earlier version of this article originally appeared in the 1992 Llewellyn Sun Sign Book and is reproduced here with permission.
Dodechedron Project
geomance.com
Medieval and western geomancy with on-line simulation using oracles from the astronomical geomancy ascribed to Gerard de Cremone.