Personal statements:
Writing the Personal Statement: Purdue OWL
Writing a Personal Statement by Marissa Brattole (PDF)
Examples of Personal Statements: Prepared by the Admissions Office, University of Toronto Faculty of Law (PDF)
College Essays:
Tips for Writing an Effective Application Essay from The College Board
The Search for Authenticity by Bruce Poch from Newsweek Magazine: A leading admissions dean explains what colleges really want. It's all about getting the complete picture of a student without packaging by consultants.
Resumes: