Columbia subject headings:
Cartoonists--Mental health--France.
Gill, André, 1840-1885--Criticism and interpretation.
Gill, André, 1840-1885--Mental health.
Harvard subject headings:
Cartoonists--Mental health--France.
Gill, André, 1840-1885--Criticism and interpretation.
Gill, André, 1840-1885--Mental health.
Gill, André, 1840-1885.
Princeton subject headings:
Cartoonists--Mental health--France.
Gill, André, 1840-1885--Criticism and interpretation.
Gill, André, 1840-1885--Mental health.