Reprinted from his Fire and sword in the Caucasus.
Vollmer, Philipp. The Armenian Church. (Missionary review of the world. New York, 1896. 8°. new series, v. 9, p. 193–197.) ZKVA
Vrthanes Kherthol. Die Abhandlung “Gegen die Bilderstürmer.” Aus dem Armenischen übersetzt von P. Polykarp Samuel. (Wiener Zeitschrift für die Kunde des Morgenlandes. Wien, 1912. 8°. Bd. 26, p. 275–293.) *OAA
Williams, George. See Gregory of Bysantium, metropolitan of Chios.
Williams, William Llewelyn. Armenia: past and present; a study and a forecast.... With an introduction by T. P. O’Connor, M.P. London: P. S. King & Son Ltd., 1916. xi, 211 p., 2 folded maps. 8°. BBX
—— The Armenian Church. (New Armenia. New York, 1917. f°. v. 9, p. 355–359.) †*ONK
Reprinted from his Armenia: past and present, p. 99–108, 130–142.
—— The Armenian Church and the schism in Christendom. (New Armenia. New York, 1917. f°. v. 9, p. 86–87.) †*ONK
Reprinted from his Armenia: past and present, p. 108–119.
—— The struggle of the Armenian Church. (New Armenia. New York, 1917. f°. v. 9, p. 101–102.) †*ONK