Accidental

http://www.library.arizona.edu/tutorials/accidental_plagiarism/

Differences in Quoting, Paraphrasing and Summarizing

http://www.aquinas.edu/library/pdf/ParaphrasingQuotingSummarizing.pdf

Glossary

https://www.avondale.edu.au/Departments/Library/Glossary.pdf

Tutorial

http://library.acadiau.ca/tutorials/plagiarism/
http://www.aquinas.edu/library/tutorial/plagiarismtutorial.htm

Overview and Contradictions

http://owl.english.purdue.edu/owl/resource/589/01/

Top 10 Blogs about Plagiarism

https://bloggerspassion.com/10-free-plagiarism-checker-websites/

Plagiarism / Articles / Tools / Page

http://en.wikipedia.org/wiki/Plagiarism
http://www.plagiarism.org/
http://www.shambles.net/pages/staff/ptools/
http://www.wsulibs.wsu.edu/plagiarism/main.html