| Winter Reflections | 1961,1962 1963, mult | New York, United States | Works on Paper | Mezzotint; Engraving; intaglio | overall: 49.50 cm x 27.30 cm | 18/50 | - |
| Early Spring | 1956 multiple | New York, United States | Works on Paper | Black and White Etching | overall: 37.00 cm x 25.00 cm | - | Gift of the Estate of Judith Foster |
| Mule Ears Large Glass Plate I | 1978, multiple | British Columbia, Canada | Miscellaneous | Paint samples | overall: 36.83 cm x 28.00 cm | - | - |
| Mule Ears Large - Drawing | 1978, multiple | British Columbia, Canada | Works on Paper | Graphite | overall: 27.00 cm x 32.00 cm | - | - |
| Untitled (Unused Copper Plate) | none | unknown | Unassigned | none | overall: 36.00 cm x 43.00 cm | - | - |
| Fragmented Forms | 1984 | British Columbia, Canada | Works on Paper | Stencil and Relief, Linocut | overall: 54.50 cm x 66.50 cm | A.P. #2 | Gift of the Estate of Judith Foster |
| Spring Sun - Framed | 1957, multiple | New York, United States | Works on Paper | Woodcut | overall: 35.60 cm x 44.50 cm | A/P #2 | - |
| Benign and Hostile Forms - Artists's Proof | 1962, 1963, multiple | New York, United States | Works on Paper | Mezzotint and Engraving | overall: 40.70 cm x 32.70 cm | P/P | - |
| Shadows/Winter Shadows Support Materials | 1974, multiple | British Columbia, Canada | Works on Paper | Silkscreen and Notes | overall: 11.40 cm x 17.50 cm | Constant and traditional forms (small) | - |
| Rocks and Shadows Support Material | 1974, multiple | New Mexico, United States | Unassigned | etched | overall: 12.00 cm x 18.00 cm | Constant and transitional forms (small) | - |
| Tulip Field IV | C. 1980 | British Columbia, Canada | Works on Paper | Collagraph Inkless Embossment | overall: 57.00 cm x 66.00 cm | - | - |
| Early Spring | 1956 multiple | New York, United States | Works on Paper | Black and White Etching | overall: 37.00 cm x 25.00 cm | - | - |
| Benign and Hostile Forms - Proof 2 | 1962,1963 multiple | New York, United States | Works on Paper | Mezzoting, engraving | overall: 45.70 cm x 37.70 cm | - | - |
| Spring Forms in Metamorhposis II - Framed | 1957, 1981, multiple | British Columbia, Canada | Works on Paper | Intaglio and pastel on paper | overall: 39.70 cm x 49.50 cm | Spring - transition between winter and summer | - |
| Vermont Mountain Night, Early Spring Phase I Impression | 1960, multiple | New York, United States | Works on Paper | Mezzotint; engraving with intaglio | overall: 44.50 cm x 37.50 cm | Trial proof | - |
| Spring Geranium - Framed | 1958,1968, multiple | New York, United States | Works on Paper | Woodcut | overall: 146.50 cm x 15.75 cm | 35/100 | - |
| Spring - Impression 1/12 | 1956, multiple | New York, United States | Works on Paper | Colour Lithograph | overall: 38.00 cm x 44.50 cm | 1/12 | Gift of the Estate of Judith Foster |
| Rocks and Shadows Support Material | 1974, multiple | New Mexico, United States | Works on Paper | Notes, Plates, Samples, Rags | overall: 11.50 cm x 17.10 cm | Constant and transitional forms (small) | - |
| Miller Box with tests and experiments | - | - | Works on Paper | Paper, ink, pastel, copper | overall: 8.00 cm x 21.50 cm x 16.00 cm | - | - |
| Conflict also known as Seasonal Conflict | 1956 multiple | New York, United States | Works on Paper | Colour Lithograph | overall: 38.00 cm x 44.50 cm | 11/13 | Gift of the Estate of Judith Foster |
| Sky Support Material Test Strips | multiple print runs | British Columbia, Canada | Works on Paper | Print | overall: 45.70 cm x 13.30 cm | - | - |
| Saguaro Cactus | 1970,1973,1978 | British Columbia, Canada | Works on Paper | Intaglio and Relief | overall: 10.10 cm x 12.40 cm | - | - |
| Drawer #4 - Support Materials I | multiple print runs | British Columbia, Canada | Works on Cloth | Paint | - | Unknown geranium series | - |
| Winter Stream, a.k.a. Frozen Pond | unknown | British Columbia, Canada | Works on Paper | ink with superimposed transparencies | overall: 16.00 cm x 21.50 cm | Constant and traditional forms (small) | - |
| Spring Geranium Wood Block 4 | 1958,1968, multiple | New York, United States | Woodwork | Woodcut | overall: 14.00 cm x 15.75 cm | Spring geranium | - |
| Vermont Mountain Night, Early Spring Phase I - Artistic Proof | 1960, multiple | New York, United States | Works on Paper | Mezzotint Print | overall: 44.50 cm x 37.50 cm | None | - |
| Untitled (Blue and Yellow Abstraction) | unknown | - | Works on Paper | crayon and paint | - | - | - |
| Vermont Mountain Night Early Spring Phase II | 1962 | New York, United States | Works on Paper | Mezzotint print | overall: 45.50 cm x 38.00 cm | Artist's proof | - |
| Vermont Mountain Night, Early Spring Phase I - Impression | 1960, multiple | New York, United States | Works on Paper | Mezzotint print | overall: 44.50 cm x 37.50 cm | None | - |
| Spring Geranium Woodblock 1 | 1958,1968, multiple | New York, United States | Woodwork | Woodcut | overall: 36.00 cm x 40.00 cm | Spring geranium | - |
| Spring - Impression 8/12 | 1956, multiple | New York, United States | Works on Paper | Lithograph | overall: 42.90 cm x 54.00 cm | Seasons, 8/12 | - |
| Wild Sunflowers Test Board III | 1978, 1981, multiple | British Columbia, Canada | Works on Board | carved | overall: 19.00 cm x 19.00 cm | - | - |
| Seaform Shadows support materials | 1992-1993, multiple | British Columbia, Canada | Works on Paper | notes, colour samples | - | - | - |
| Tulips, working papers | 1970,1979,1980 | British Columbia, Canada | Works on Paper | Stencils and Chalk/Pastel | overall: 150.00 cm x 12.40 cm | - | - |
| Spring Sun Process 3 | 1957, multiple | New York, United States | Works on Paper | woodcut | overall: 35.60 cm x 44.50 cm | Spring sun | - |
| Spring Forms in Metamorphosis #I -Framed | 1978, multiple | British Columbia, Canada | Works on Paper | Zinc plate etching | overall: 40.00 cm x 50.10 cm | a/p: 2/5. Spring - transition between winter and summer. | - |
| Untitled (Geranium Wood Block) | multiple print runs | British Columbia, Canada | Woodwork | carving | overall: 14.00 cm x 17.50 cm | Unknown geranium series | - |
| Early Spring | 1956 multiple | New York, United States | Works on Paper | Etching | overall: 39.30 cm x 33.60 cm | 5/25 | - |
| Tulip Field II support materials | 1970, multiple | British Columbia, Canada | Works on Paper | samples | overall: 15.00 cm x 12.40 cm | - | - |
| Winter Shadows metal plate | 1974, multiple | British Columbia, Canada | Metalwork | mezzotint plate | overall: 12.00 cm x 18.00 cm | Constant and traditional forms (small) | - |
| Untitled (Geranium Woodblock) | ca. 1958-1968 | New York, United States | Works on Paper | Woodcut | overall: 36.00 cm x 40.00 cm | Spring geranium | Gift of the Estate of Judith Foster |
| Mule Ears Mini Glass Plate | 1978, multiple | British Columbia, Canada | Miscellaneous | paint samples | overall: 18.00 cm x 35.00 cm | - | - |
| Spring Geranium Test 3 | 1958, 1968, multiple | New York, United States | Works on Paper | Woodcut | overall: 35.50 cm x 44.50 cm | - | - |
| Tulip Field | - | British Columbia, Canada | Works on Paper | Embossed Print; Collograph | overall: 58.50 cm x 68.00 cm | Artist's Prof #1 | Gift of the Estate of Judith Foster |
| Sky woodcut board | multiple print runs | British Columbia, Canada | Works on Paper | Engraved | overall: 45.50 cm x 13.50 cm | - | - |
| Untitled (Metal Plate) | 1975, multiple | British Columbia, Canada | Metalwork | brass | overall: 25.00 cm x 36.00 cm | - | - |
| Spring Geranium Wood Block 3 | 1958,1968, multiple | New York, United States | Works on Paper | Woodcut | overall: 14.00 cm x 15.75 cm | - | - |
| Tulip Field II | 1970,1972,1979,1988 | British Columbia, Canada | Works on Paper | Collagraph | overall: 21.00 cm x 26.00 cm | 10/100 | - |
| Vermont Mountain Night, Early Spring Phase II | 1960,1962, multiple | New York, United States | Works on Paper | Mezzotint Print | overall: 45.50 cm x 38.00 cm | None | - |
| Vermont Mountain Night, Early Spring Phase I | 1960, multiple | New York, United States | Works on Paper | Mezzotint Print | overall: 44.50 cm x 37.50 cm | 10/50 | - |