. . . . "Old East Slavic" . . "Proto-East-Slavic" . . "old Russian" . "Old Russian" . "Old East Slavic language" . . "East" . "Rus" . . "Old East Slavonic literature" . . "OEstSl" . . "Old East Slavic" . "OESl." . . "Old Slavic" . . . . "Old" . . "old East Slavic" . "R." . "OESlav" . "OES" . . . . "Old Ruthenian" . . "orv" . . . . . . . . "Old Russian language" . . . "Old Slavonic" . . . . . . . "Rus' language" . . . . .