Columbia subject headings:
Art patronage--Netherlands--Amsterdam--Exhibitions.
Art--Collectors and collecting--Exhibitions.
Beffie, Willem Wolff, 1880-1950--Art collections--Exhibitions.
Slijper, Salomon B., 1884-1971--Art collections--Exhibitions.
Wezel, Andries van, 1856-1921--Art collections--Exhibitions.
Harvard subject headings:
Art patronage--Netherlands--Amsterdam--Exhibitions.
Art, Modern--20th century--Collectors and collecting--Netherlands.
Art--Collectors and collecting--Exhibitions.
Art--Collectors and collecting--Netherlands--Biography.
Art--Private collections--Netherlands.
Beffie, Willem Wolff, 1880-1950--Art collections--Exhibitions.
Jews--Netherlands--Biography.
Jews--Netherlands--Cultural life.
Slijper, Salomon B., 1884-1971--Art collections--Exhibitions.
Wezel, Andries van, 1856-1921--Art collections--Exhibitions.
Princeton subject headings:
Art patronage--Netherlands--Amsterdam--Exhibitions.
Art--Collectors and collecting--Exhibitions.
Beffie, Willem Wolff, 1880-1950--Art collections--Exhibitions.
Slijper, Salomon B., 1884-1971--Art collections--Exhibitions.
Wezel, Andries van, 1856-1921--Art collections--Exhibitions.