- ISI Web of Knowledge. Note: You have to be inside USP network or using a VPN for this site to work.
- Purdue Online Writing Lab
- Ben Yagoda's links
- Dictionaries
- English corpus:
- Use of Corpus - About
- CORPUS OF CONTEMPORARY AMERICAN ENGLISH
- Punctuation
- Punctuation Matters, how to use hypen, n-dash and m-dash
- Punctuation and Footnotes
- Footnotes and Endnotes
- For Scientists