Columbia subject headings:
Harvard subject headings:
Artists' preparatory studies--United States.
Drawing, American--20th century.
Drawing, American.
Drawing--20th century--United States.
Sculptors--United States--Correspondence.
Westermann, H. C. (Horace Clifford), 1922---Correspondence.
Princeton subject headings:
Artists' preparatory studies--United States.
Drawing, American.
Drawing--20th century--United States.
Sculptors--United States--Correspondence.
Westermann, H. C. (Horace Clifford), 1922-1981--Correspondence.