Correction

• DP Proofreaders Guidelines
  This document is written to explain the proofreading rules we use to maintain consistency when proofreading a single book that is distributed among many proofreaders.
• Editing and Proofreading Marks
  Here is a list of symbols used by editors and proofreaders to mark corrections to content. An example of their use is also shown.
• Freelance Proofreading and Copy-editing
  Advice on freelance proofreading and copy editing.
• Project Gutenberg Distributed Proofreaders
  Distributed Proofreaders provides a web-based method to ease the conversion of Public Domain books into e-books. By dividing the workload into individual pages, many volunteers can work on a book at the same time, which significantly speeds up the creation process.
• Proofreaders' Marks
  List of marks used in proofreading to indicate problems in a text and to suggest solutions.
• Research tools: information in depth | The Economist | Economist.com
  This guide is based on the style book which is given to all journalists at The Economist.
• Society for Editors and Proofreaders
  Society for Editors and Proofreaders (SfEP) is a professional organisation based in the UK for editors and proofreaders – the people who strive to make text accurate and readable.
• Ten Tremendous Tips for Editing and Revising your Writing
  Your writing is better if you spend more time on it. If your ideas are weak, your structure shaky, or your paragraphs haphazardly constructed, it won’t matter that everything is spelled correctly.
• The Importance of the Proof-reader
  by John Wilson
• Word Witch on Proofreading
  Read widely and often. Good proofreaders read many books. Ignorance may be bliss, but it won't make you a better proofreader.