Columbia subject headings:
Drawing, German--20th century--Catalogs.
Drawing, German--Catalogs.
Drawing--Germany--Essen--Catalogs.
Kirchner, Ernst Ludwig, 1880-1938--Notebooks, sketchbooks, etc.--Catalogs.
Museum Folkwang Essen. Graphische Sammlung--Catalogs.
Harvard subject headings:
Drawing--Germany--Essen--Catalogs.
Kirchner, Ernst Ludwig, 1880-1938--Notebooks, sketchbooks, etc.
Museum Folkwang Essen. Graphisches Kabinett--Catalogs.
Princeton subject headings:
Catalogs.
Drawing, German--Catalogs.
Drawing--20th century--Germany--Catalogs.
Drawing--Germany (West)--Essen--Catalogs.
Kirchner, Ernst Ludwig, 1880-1938--Notebooks, sketchbooks, etc.--Catalogs.
Museum Folkwang Essen. Graphische Sammlung--Catalogs.