Columbia subject headings:
Illumination of books and manuscripts, Medieval--Catalogs.
Illumination of books and manuscripts--Catalogs.
Illumination of books and manuscripts--Germany--Cologne--Catalogs.
Ludwig, Irene--Art collections--Catalogs.
Ludwig, Peter, 1925-1996--Art collections--Catalogs.
Manuscripts--Germany--Cologne--Catalogs.
Schnütgen-Museum--Catalogs.
Harvard subject headings:
Illumination of books and manuscripts, Medieval--Catalogs
Illumination of books and manuscripts--Catalogs
Illumination of books and manuscripts--Germany--Cologne--Catalogs.
Ludwig, Irene--Art collections--Catalogs.
Ludwig, Irene.
Ludwig, Peter, 1925-1996--Art collections--Catalogs.
Manuscripts--Catalogs
Manuscripts--Germany--Cologne--Catalogs.
Schnütgen-Museum--Catalogs.
Princeton subject headings:
Catalogs.
Illumination of books and manuscripts--Catalogs.
Ludwig, Irene--Art Collections.
Ludwig, Peter--Art Collections.
Manuscripts--Catalogs.