1. Abt, Th., & Madelung, W. (Eds.). (2003). Book of the explanation of the symbols. Kitāb Ḥall ar-Rumūz by Muhammad Ibn Umail. Living Human Heritage Publications.
2. Altner, G. (2019). (The human being between nature and culture.) Der Mensch zwischen Natur und Kultur. Politische Ökologie, 37, pp. 56–57.
3. Asproulis, N. (2016). Creation, history and the Church. Towards an orthodox eco-theology and social ethics. In Dietrich Werner and Eisabeth Jeglitzka: Eco-theology, climate justice and food security. Theological education and Christian leadership development, pp. 187–208. Published by Globalethics.net.
4. Becht-Jörgens, G. (1993). (Aspects of Latin hymnody.) Aspekte lateinische Hymnendichtung (pp. 39–65). In Theo Stemmler: An die Gottheit. Bittgedichte aus zwei Jahrtausenden. Narr publisher. Becht-Jörgens took the Adam of St. Victor quotes from F. Wellner (1955): Adam von St. Victor. Sämtliche Sequenzen lateinisch-deutsch; no. 38. Kösel publisher.
5. Bible, the Holy (set down in writing from the 2nd cent. CE till about 400; the part issued from the Tanach recorded from about the 9th cent. BCE on): Several editions in different languages are quoted.