Philosophia perennis : historical outlines of Western spirituality in ancient, Medieval and early modern thought - Schmidt-Biggemann, Wilhelm (Archives internationales d'histoire des idées = International archives of the history of ideas, ISSN 0066-6610, 2004)
Keywords: Philosophy and religion; Spirituality : History; Metaphysics : History; Religion : Philosophy; Imagination (Philosophy) : History; henkisyys; hengellisyys; historia; andlighet (mentalitet)