REMOVE

1. offset lithograph
2. Photographs
3. North American; American
4. Heinecken, Robert

WHAT

1. offset lithograph (1)

WHERE

1. North American; American (1)

WHO

1. Heinecken, Robert (1)
2. The Minneapolis Institute … (1)

WHEN

1. 1964 (1)
2. 1964 - 1968 (1)
3. 1968 (1)
4. b. 1931 (1)