Whether you’re a copyeditor or a proofreader, you probably do a lot of your work electronically. And the Internet is a great place to find helpful and interesting resources, such as those in the following list:
Bartleby.com: Letting the resource speak for itself: “Bartleby.com combines the best of both contemporary and classic reference works into the most comprehensive public reference library ever published on the web.”
Google will be your gracious fact-checking workhorse.
Merriam-Webster OnLine provides the 10th edition of Merriam-Webster’s Collegiate Dictionary for free and the 11th edition for a subscription fee as well as a host of other resources.
The New York Times’ Newsroom Navigator is a fact-checking launchpad for its reporters.