Columbia subject headings:
Church Slavic language--Grammar.
Fedorov, Ivan, approximately 1510-1583. Bukvar.
Russian imprints--16th century.
Russian language--Grammar--History.
Harvard subject headings:
Church Slavic language--Grammar
Fedorov, Ivan, approximately 1510-1583. Gramatika.
Russian imprints--16th century.
Russian language--Grammar--History.
Princeton subject headings: