Columbia subject headings:
Illumination of books and manuscripts, Medieval--Exhibitions.
Prayer books--Exhibitions.
Schnütgen-Museum--Exhibitions.
Harvard subject headings:
Illumination of books and manuscripts, Medieval--Exhibitions
Prayer books--Exhibitions.
Schnütgen-Museum--Exhibitions.
Princeton subject headings:
Illumination of books and manuscripts, Medieval--Exhibitions.
Prayer books--Private collections--Exhibitions.