| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1982 | 978-0-9610520-0-3 | Ruth Lilly Westphal | Plein Air Painters of California: The Southland |
| 1986 | 978-0-9610520-1-0 | Ruth Lilly Westphal · Janet B. Dominik | Plein Air Painters of California the North |
| 1991 | 978-0-9610520-3-4 | Janet B. Dominik · Ruth Lilly Westphal | American Scene Painting: California, 1930s and 1940s |