The Purdue Online Writing Lab (OWL)
American Psychological Association (APA) Guide
Institute of Electrical and Electronic Engineers (IEEE) Guide
Modern Language Association (MLA) Guide
Turabian (Chicago) Style Guide
How to Read a Scientific Article (Rice University)
Reading Scientific Articles as a Non-Scientist
Writing a Scientific Research Article (Columbia University)
Jack Lynch: "Guide to Grammar and Style"
Corpus of Contemporary American English (COCA)
A set of tutorials on how to use COCA to improve word choice and grammar in writing
Tutorials on using Word and Phrase to explore words in context, synonyms, and collocates
Netspeak tutorial on how to search for common phrases
Ozdic - Collocation Dictionary
Word Reference - Bilingual dictionary
Brief Guides to Writing in the Disciplines
Writing Guides for Specific Disciplines