Common Errors
in English
Paul Brians, Professor of English, Washington State University, USA
Guide to Grammar and Writing
Professor Charles Darling, Capital Community-Technical College, Hartford, Connecticut
HyperGrammar
Writing Centre, University of Ottawa, Canada
OWL (On-line Writing Lab) Handouts
The Purdue University Writing Lab.
The American Book of English Usage
Bartleby.com
The Editorial Eye Index
Editorial Eye
The Internet Grammar of English
University College, London, UK
