“...Yearly Ode or Ode of Kihak. A Study of special Odes of the Coptic Church...”

“...The contribution of Monks or Hermits to the medieval Coptic-Arabic literature...”

“...Über eine ungewöhnliche Menas-Darstellung: Das nubische Menasmirakel (London Or. 6805)...”

“... Old Egyptian or Coptic Pictorial Representations...”