The underlying grammatical framework on which the Nigel grammar of English is based is introduced and described in the following works:
| An Introduction to Functional Grammar Michael Halliday, Christian Matthiessen |
3rd edition, Arnold, 2003 | |
Lexicogrammatical Cartography Christian Matthiessen |
International Language Science Publishers, Tokyo, 1995 | ISBN 4-87718-002-8 |
| Working with Functional Grammar J.R. Martin, Christian M.I.M. Matthiessen, Clare Painter |
Arnold, 1996 |