Columbia subject headings:
Etchers--Travel--Europe--Exhibitions.
Etchers--United States--Exhibitions.
Etching, American--19th century--Exhibitions.
Etching, American--20th century--Exhibitions.
Etching, American--Europe--19th century--Exhibitions.
Etching, American--Europe--20th century--Exhibitions.
Expatriate artists--Europe--Exhibitions.
Harvard subject headings:
Etchers--Travel--Europe--Exhibitions.
Etchers--United States--Exhibitions.
Etching American--20th century--Exhibitions.
Etching, American--19th century--Exhibitions.
Etching, American--Europe--19th century--Exhibitions.
Etching, American--Europe--20th century--Exhibitions.
Expatriate artists--Europe--Exhibitions.
Princeton subject headings:
Etchers--Travel--Europe--Exhibitions.
Etchers--United States--Exhibitions.
Etching, American--19th century--Exhibitions.
Etching, American--20th century--Exhibitions.
Etching, American--Europe--19th century--Exhibitions.
Etching, American--Europe--20th century--Exhibitions.
Expatriate artists--Europe--Exhibitions.