REMOVE

1. gouaches (paintings)
2. prints (visual works)

WHAT

1. paintings (visual works) (2)
2. collage (visual works) (1)
3. lithographs (1)

WHERE

1. Artist's Collection (1)
2. Museum of Modern Art (New … (1)
3. New York (state) (1)
4. New York, New York (1)

WHO

1. Doesburg, Theo van (1)
2. Spero, Nancy (1)

WHEN

1. 20th century (1)
2. Contemporary (1)