If you are enclosing a single document (e.g., a resume,) include "Enclosure" two spaces under your name; if you are enclosing more than one document (e.g., writing sample, transcript, list of ...

When writing a reference letter, keep the details professional rather than getting too personal. Focusing on the candidate’s skills, accomplishments, and examples of good work reigns superior to ...

Recommendation letters should highlight your unique characteristics ... At a minimum, include an up-to-date resume and the personal statement that you expect to use for your application.

(in other words, edit very carefully!). Keep it to one page if at all possible. Use the same style of font throughout your resume, references, and cover letter; use the same size font throughout as ...