Two invariable and universal calendars and fixed Easter with 12 and 13 months ...
Nahapetian, Fr Gabriel
Two invariable and universal calendars and fixed Easter with 12 and 13 months ... Fr Gabriel Nahapetian.+ - Venice : San Lazzaro, 1923. - 24 p. ; 26 cm.
Pub. by the Mekhitarist fathers, Island of San Lazzaro.
Calendars
Two invariable and universal calendars and fixed Easter with 12 and 13 months ... Fr Gabriel Nahapetian.+ - Venice : San Lazzaro, 1923. - 24 p. ; 26 cm.
Pub. by the Mekhitarist fathers, Island of San Lazzaro.
Calendars