If you're concerned about the issue of academic plagiarism, you should consider using Turnitin . Used by literally thousands of schools, colleges and universities around the world, Turnitin provides a robust suite of services providing immediate detection of plagiarized content. Additional services include web-based commenting/grading of papers and a very interesting student "peer-review" process. Below is a link to a brief audio-video presentation describing the options for using Turnitin . View the presentation before using any of the links on the right so you're aware of your choices.