| title | ISBN-13 | year of publication |
|---|---|---|
| Foster Caddell's Keys to Successful Landscape Painting: A Problem/Solution Approach to Improving Your Landscape Paintings | 978-0-89134-474-2 | 1993 |
| Keys to Painting Better Portraits | 978-0-8230-2582-4 | 1982 |
| Keys to successful color: A guide for landscape painters in oil | 978-0-273-01346-4 | 1979 |
| Keys to Successful Color: A Guide for Landscape Painters in Oil | 978-0-8230-2580-0 | 1979 |
| Keys to successful landscape painting | 978-0-273-00124-9 | 1976 |
| Keys to Successful Landscape Painting | 978-0-8230-2579-4 | 1976 |
North Light Books · Pearson Education · Watson-Guptill