REMOVE

1. aquatint and etching
2. United States
3. North American; American
4. Fine Arts Museums of San Fra …

WHAT

1. Prints (1)
2. aquatint and etching (1)

WHERE

1. North American; American (1)
2. United States (1)

WHO

1. Fine Arts Museums of San … (1)
2. Van Staveren, Leo (1)

WHEN

1. 1943 - (1)
2. 1972 (1)