For information about how to cite outside materials--a subject that worries students and concerns faculty who must confront questions of plagiarism, the Schwartz Library's web site offers a variety of formatting styles.

Here are other links to web sites that promote various tenets of effective writing:
 

Common Errors in English -- English Professor Paul Brians' impressive collection of common errors in usage.  Also contains many useful links to other sites. VERY HIGHLY RECOMMENDED!

Defining Plagiarism -- Courtesy of WRITING WITH SOURCES: A Guide for Harvard Students , by Gordon Harvey, Expository Writing Program, Copyright 1995, The President and Fellows of Harvard University

Harvard University Writing Center -- Features a series of short pieces offering guidance to students on such topics as " How to Read an Assignment ," " Overview of the Academic Essay: Thesis, Argument and Counterargument ," " Topic Sentences and Signposting ," "Transitioning: Beware of Velcro," and " How to Write a Comparative Analysis ". It also has links to on-line reference guides. VERY HIGHLY RECOMMENDED!

Jack Lynch's Guide to Grammar and Style   -- A thorough and very accessible A-to-Z guide to commonly encountered usage questions.

George Orwell, Politics and the English Language (1946) -- An eloquent denouncement of bad writing and its consequences.  One of the classic essays of the 20th century.  If you've never read this work, drop everything and spend 45 minutes with it.  You'll invariably consider the time well spent.

Resources relating to plagiarism -- Links to an impressive collection of materials dealing with plagiarism and how to cite sources properly. Courtesy of Brandeis University.

Strunk, The Elements of Style (1918) -- An early edition of Strunk and White's classic style guide. (White's later revisions are still under copyright and therefore are unavailable at this site.) Whether you treat it as gospel or consider it excessively hidebound, it's a treatise with which you should be familiar.