Columbia subject headings:
Harvard subject headings:
Artists--Social networks--Europe.
Arts, European--19th century.
Europe--Intellectual life--19th century.
Europe--Social life and customs--19th century.
Friendship in art.
Interpersonal relations in art.
Love in art.
Princeton subject headings:
Artists--Social networks--Europe.
Arts, European--19th century.
Europe--Intellectual life--19th century.
Europe--Social life and customs--19th century.
Friendship in art.
Interpersonal relations in art.
Love in art.