Columbia subject headings:
Grigorescu, Nicolae, 1838-1907--Exhibitions.
Harvard subject headings:
Grigorescu, Nicolae, 1838-1907--Exhibitions.
Hôtel de ville (Brussels, Belgium)
Plein air painting--Exhibitions.
Princeton subject headings:
Grigorescu, Nicolae, 1838-1907--Exhibitions.
Plein air painting--Exhibitions.