- ODLT Sources
- Key Sources
- A Dictionary of Language (David Crystal)
- The Oxford Companion to the English Language (1992) (Tom Mcarthur, editor)
- The Oxford English Dictionary (2004)
- Grammar
- Concise English Handbook (Hans Guth)
- Harper's English Grammar (John Opdycke)
- A University Grammar of English (Quirk and Greenbaum)
- Etymology
- A Concise Etymological Dictionary of the English Language (11th edition) (Walter Skeat)
- Online Etymology Dictionary (Douglas Harper)
- The Origins and Development of the English Language (Thomas Pyles)
- The Oxford Dictionary of English Etymology (C.T. Onions)
- Usage Guides
- Chicago Manual of Style (13th edition)
- The Complete Plain Words (Sir Ernest Gowers)
- Dictionary of Troublesome Words (Bill Bryson)
- The Elements of Style (Strunk and White)
- Fowler's Modern English Usage (Henry Watson Fowler)
- Mind the Stop (G.V. Carey)
- Modern American Usage (Wilson Follett)
- Usage and Abusage (Eric Partridge)
- Miscellaneous
- Caught in the Web of Words: James Murray and the Oxford English Dictionary (K.M. Elizabeth Murray)
- The Linguistic Wars (Randy Allen Harris)
- A Mouthful of Air (Anthony Burgess)
- Our Marvelous Native Tongue (Robert Claiborne)
- Points of View (Robert Burchfield)
- Selections for Samuel Johnson's Dictionary (Jack Lynch, editor)
Silva Rhetoricae (Gideon O. Burton)
- A Short History of Linguistics (R.H. Robins)
- The State of the Language (Leonard Michaels and Christopher Ricks, editors)
- The Story of Language (Mario Pei)
- Words and Rules (Steven Pinker)
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