| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Combinatorial mathematics and its applications;: Proceedings of a conference held at the Mathematical Institute, Oxford, from 7-10 July, 1969, | 978-0-12-743350-9 (0-12-743350-3) | 1971 |
| Complexity: Knots, Colourings and Countings | 978-0-521-45740-8 (0-521-45740-8) | 1993 |
| Matroid Theory | 978-0-486-47439-7 (0-486-47439-9) | 2010 |
A. W. · D.A. · D. J. · D.W. · D. Welsh · J. A. · J. W.
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