Columbia subject headings:
Harvard subject headings:
Bible. Gospels--Illustrations.
Evangeliarium Heinrici Leonis.
Helmarshausen (Benedictine abbey)
Illumination of books and manuscripts, Ottonian--Germany.
Princeton subject headings:
Bible. Gospels--Illustrations.
Bible. New Testament. Gospels. Latin. Gospels of Henry the Lion.
Henry, Duke of Saxony, 1129-1195.
Illumination of books and manuscripts, Carolingian--Specimens, reproductions, etc.