Purdue's Online Writing Lab has great resources for grammar, mechanics,
conventions, and MLA documentation.
OWL
IU has a great succinct handout on how to avoid plagiarism and what types of
information need to be cited.
Indiana University: Plagiarism
UNC's Writing Center is the definitive source for improving your writing. The
detailed handouts will help you bring your writing toward college-level
standards. It also has great information on plagiarism.
University of North Carolina: Writing Center
100 possible prompts from various colleges.
100 College Application Essay Prompts