| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Darkroom Graphics: Creative Techniques for Photographers and Artists | 978-0-8174-0573-1 (0-8174-0573-9) | 1976 | Joanne Ruggles |
| Printing Estimating: Costing and Pricing Print and Digital Media | 978-0-88362-621-4 (0-88362-621-7) | 2008 | |
K. R. · P.K. · P R · Philip K. · Philip Kent Ruggles · Philip R.