Here are two websites with information on resume and cover letter writing:
Jobzone is run by the NY State Dept of Labor:
JobZone is a free, online job search and career planning system that helps job seekers make informed career decisions. We offer up-to-date, localized career and labor market information, and tools to aid in the job search process.
The JobZone System harnesses the power of the Internet to provide information on 900 occupations from the O*NET Database and the latest labor market information from the . The strength of JobZone is its ability to offer local and relevant content based on the interest and jobseeking activities of users. JobZone also provides access to up-to-date job postings and basic job preparation tools such as a resume builder, reference list maker and cover letter application.
GCFLearnFree.org® creates and provides quality, innovative online learning opportunities to anyone who wants to improve the technology, literacy and math skills needed to be successful in both work and life. By delivering over 750 different lessons to millions of people in over 200 countries and territories ABSOLUTELY FREE, GCFLearnFree.org is a worldwide leader in online education.