The actual, historical contents of this essay are based, almost without any exceptions, on the sources themselves. The theoretical assumptions and historical interpretations are not new but reflect the current state of the science. Below I have listed some of the main works discussing the problems studied herein for readers who would like to gain deeper understanding of individual questions.
The theological assumptions in general follow the work of Erich Przywara, S.J., “Religionsphilosophie katholischer Theologie, ” in Handbuch der Philosophie, ed. A. Bäumler and M. Schröter, sec. 2, “Nature-Spirit-God” (Munich: Verlag R. Oldenbourg, 1927).
A treasure trove for examples of the new mass religiosity at the end of the nineteenth century is the work by William James,The Varieties of Religious Experience: A Study in Human Nature (London: Longmans, Green, and Co., 1902) [Recent edition: Harmondsworth: Penguin Books, 1982].
With respect to the knowledge of current political-religious manifestations, the following treatise is important: Etienne de Greeff, “Le drame humain et la psychologie des 'mystiques' humaines, ” in Foi et 'Mystiques' Humaines, Etudes Carmélitaines, 22d year, vol.
1, April 1937.
The philosophical-anthropological fundamental views of the author are based on the general current literature available on this subject, e.g., Max Scheler,Die Stellungdes Menschen im Kosmos (Darmstadt: Otto Reichl Verlag, 1928) [English edition:Man's Place in Nature, trans. Hans Meyerhoff (1928; New York: Noonday Press, 1962)].
The chapter on Akhenaton is based on J. H. Breasted,Geschichte Ägyptens, 2d ed. (Vienna: Phaidon Verlag, 1936) [Original edition,