John Ferren: Obras
- St. Tropez (Abstract), 1929
- Composition à la carte de France, 1931
- Untitled (No 8), 1932
- Untitled, 1932
- Untitled, 1932
- Composition, 1933
- Composition (Brun), 1933
- Composition aux Plais Jaunes, 1933
- Grazioso, 1933
- Untitled, 1933
- Mallorca, 1934
- Composition, 1937
- Lutte as Ciel, 1937
- Sea Forms, 1937
- The Desert, 1938
- Rock Totems, 1948
- Three Rocks, 1949
- Desert Landscape, 1951
- Contemplations on Geraniums, 1952
- Outdoors, 1952
- Ski, 1952
- Untitled, 1952
- Untitled, 1952
- New York Summer Landscape, 1953
- Red Spot, 1954
- Branches, 1955
- The Bush, 1955
- Medeanus, 1955
- Untitled, 1956
- Untitled I, 1957
- Broken Blue, 1958
- Greenock, 1958
- Navaho, 1958
- Untitled, 1959
- Yellow Field, 1960
- Blue Green Ground, 1961
- One World, 1961
- Untitled, 1961
- The Witch Doctor, 1963
- Untitled, 1963
- The Changeling, 1964
- Quiet, 1965
- Sidon No. 3, 1965
- Red Rose, 1966
- RVG, 1966
- Abstract Composition, 1968
- Composition, ?
- Paris Abstract, ?