PANAGOPOULOS, S. P. M.B. Cunningham, Wider than Heaven. Eighth-century Homilies on the Mother of God (Popular Patristics Serie, 35), Crestwood, N.Y., St. Vladimir’s Seminary Press, 2008. ISBN 978-0-88141-326-7. De Medio Aevo, v. 9, p. 179–180, 4 may2020 https://doi.org/10.5209/dmae.67383.