Columbia subject headings:
Hall, Michael D.--Art collections--Exhibitions.
Houdon, Jean Antoine, 1741-1828--Exhibitions.
Portrait sculpture, French--Exhibitions.
Sculpture--Private collections--United States--Exhibitions.
Harvard subject headings:
Hall, Michael, 1926-2020--Art collections--Exhibitions.
Houdon, Jean Antoine, 1741-1828--Exhibitions.
Portrait sculpture, French--Exhibitions.
Sculpture--Private collections--United States--Exhibitions.
Princeton subject headings:
Hall, Michael D., 1941---Art collections--Exhibitions.
Houdon, Jean Antoine, 1741-1828--Exhibitions.
Portrait sculpture, French--Exhibitions.
Sculpture--Private collections--United States--Exhibitions.