Books listed by ISBN
Pentacle Books
year of publication
ISBN
author(s)
title
1980
978-0-906850-04-6
Robert Eringer
ยท
John Michell
Global Manipulators
1981
978-0-906850-05-3
John Michell
Ancient Metrology: The Dimensions of Stonehenge and of the Whole World as Therein Symbolised