American Academic Essays - Dartmouth Writing Program
Very good site: "If you are an ESL student, you may have indeed found that you have written an essay that you felt was very good, only to be told that it somehow wasn't appropriate or clear. When writing the American academic essay, you, as an ESL writer, should be aware of certain rhetorical conventions that most American readers and writers take for granted."
The Five-Paragraph Essay - Punctilious.org
Excellent site on writing the five-paragraph essay
Formal Academic Essays in English - TOEFL-Prep Writing Practice
"On this web site you will find resources to help you begin to learn how to write formal academic essays in English. Learning and practicing the rules of essay writing will help you not only begin to prepare for the TOEFL but also in your academic work at an English-speaking college or university."
Writing an Essay - Writing Den
Includes: Parts of an Essay, How to Write an Essay, Kinds of Essays
Guide to Writing a Basic Essay
Basic guide to essay writing: "If you follow a few simple steps, you will find that the essay almost writes itself. You will be responsible only for supplying ideas, which are the important part of the essay anyway."
The Writing Process - University of Richmond
Explore topics by stages of the writing process