Izvornik: Through a Glass Darkly. Christos Hatzis. Piano Solo sheet music. Through a Glass Darkly composed by Christos Hatzis. 1953-. For piano. Book.
Prijevod: Kroz staklo u zagonetki. Piano Solo note. Kroz staklo tamno sastavljenom Christos Hatzis. 1953 -. Za glasovirom. Knjiga. Sastavljen 2007.