Columbia subject headings:
Hughes, Philip, 1936---Notebooks, sketchbooks, etc.
Landscape drawing, English.
Landscape drawing--England--20th century.
Landscapes in art.
Harvard subject headings:
Hughes, Philip, 1936---Notebooks, sketchbooks, etc.
Landscape drawing, English.
Landscape drawing--England--20th century.
Landscape painting, English.
Landscape painting--20th century--England.
Landscapes in art
Princeton subject headings: