http://jobstar.org/tools/resume/index.htm (resumes and cover letters including tips and samples)
http://www.careerlab.com/letters/chap13.htm (thank you notes after lunch or interview)
http://www.quintcareers.com/dcl.html (Book: Dynamic Cover Letters: How to Write the Letter that Gets You the Job--includes excerpts and tips)
http://www.aicpa.org/becomeacpa/pages/job_tips_advice.aspx (Job Tips Advice from the AICPA)
Essentials of Business Communication (fabulous book that is great to have around as a reference)
My (old) resume (not the best resume outline for new or future graduates--move education to top and use this resume as an example if you don't have several years of relevant experience)
Another resume example after significant experience is obtained.
Case's Guide to Grading Written Materials - think about these basic items, at a minimum, before sending off a resume and cover letter