Columbia subject headings:
Artists--United States--Biography.
Cassatt, Mary, 1844-1926.
Expatriate artists--France--Biography.
Harvard subject headings:
Artists--United States--Biography.
Artists--United States--Correspondence.
Cassatt, Mary, 1844-1926
Cassatt, Mary, 1844-1926--Correspondence.
Expatriate artists--France--Biography.
Expatriate artists--France--Correspondence.
Princeton subject headings:
Cassatt, Mary, 1844-1926.