1. Armstrong, Arthur H.: Platonic Eros and Christian Apage. In: The Downside Review 79/255 (1961), 105–121 [Nachdruck in: Armstrong 1979, Nr. IX].
2. Armstrong, Arthur H.: Tradition, Reason and Experience in the Thought of Plotinus. In: Atti del Convegno internazionale sul tema: Plotino e il Neoplatonismo in Oriente e in Occidente (Roma 1970). Rom 1974, 171–194 [Nachdruck in: Armstrong 1979, Nr. XVII].
3. Armstrong, Arthur H.: Beauty and the discovery of divinity in the thought of Plotinus. In: Jaap Mansfeld/Lambertus Marie De Rijk (Hg.): Kephalaion. Studies in Greek Philosophy and its continuation offered to Cornelia J. de Vogel. Assen 1975, 155–163 [Nachdruck in: Armstrong 1979, Nr. XIX].
4. Armstrong, Arthur H.: Plotinian and Christian Studies. London 1979.
5. Beierwaltes, Werner: The Love of Beauty and the Love of God. In: Arthur H. Armstrong (Hg.): Classical Mediterranean Spirituality. Egyptian, Greek, Roman. New York 1986, 293–313.