"Ad personam = related to one person", Juristenlatein.com – Latin legal terms, phrases and sayings [2], aufgerufen 5. Januar 2012
kath.net
"After the collapse of the Soviet regime, Pope John Paul II established a new Armenian Catholic hierarchy and appointed the Mechitarist Nerses Der Nersessian Ordinary for all Catholic Armenians in Eastern Europe (Armenia, Georgia, Ukraine and Russia)." Kath.net: "Armenia holds a record: it is the oldest Christian state in history" [1] 5 January 2012