REMOVE

1. Siena Studios
2. Smithsonian American Art Mus …
3. 20th century

WHAT

1. Prints (2)
2. hand-colored offset litho … (1)
3. two-color offset lithogra … (1)

WHERE

1. North American; American (2)

WHO

1. Cottingham, Robert (2)
2. Petruzzelli, Joe (2)
3. Siena Studios (2)
4. Smithsonian American Art … (2)
5. Gentleman, John (1)

WHEN

1. 1980 (2)
2. 1980-1982 (1)
3. 1982 (1)
4. 20th century (2)
5. born 1935 (2)