| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Ordinary Statistics | Paperback | 978-0-7131-0871-2 (0-7131-0871-1) | 1983 | Margaret M. McLean |
| Variation in Linguistic Systems | Hardcover | 978-0-415-99067-7 (0-415-99067-X) | 2009 | |
| Variation in Linguistic Systems | Paperback | 978-0-415-99068-4 (0-415-99068-8) | 2009 | |
A. W. · A. Walker · J A · J.W. · J. Walker · James a · James Walker