| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Graded Word Spelling Test 3rd edn: Test Booklet | 978-0-340-91329-1 (0-340-91329-0) | 2006 | Mary Crumpler · Colin McCarty |
| Graded Word Spelling Test | 978-0-340-73778-1 (0-340-73778-6) | 1998 | |
P. V. · Philip A. Vernon · Philip E. Vernon · Philip Ewart Vernon · Philip V. · Philip, Vernon, Elliot Baker