Columbia subject headings:
British Museum--Catalogs.
Drawing, European--Catalogs.
Watercolor painting, European--Catalogs.
Harvard subject headings:
British Museum--Catalogs.
Drawing, European--Catalogs.
Drawing--England--London--Catalogs
Watercolor painting, European--Catalogs.
Watercolor painting--England--London--Catalogs.
Princeton subject headings:
British Museum--Catalogs.
Catalogs.
Drawing--England--London--Catalogs.
Watercolor painting--England--London--Catalogs.